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List of asteroid close approaches to Earth in 2017

January 01, 1970

Below is the list of asteroid close approaches to Earth in 2017.

Time of discovery of asteroids which came closer to Earth than the Moon in 2017
After closest approach: 26 (45.6%)< 24 hours before: 6 (10.5%)up to 7 days before: 23 (40.4%)> one week before: 1 (1.8%)> 7 weeks before: 0 (0.0%)> one year before: 1 (1.8%)
  •   After closest approach: 26 (45.6%)
  •   < 24 hours before: 6 (10.5%)
  •   up to 7 days before: 23 (40.4%)
  •   > one week before: 1 (1.8%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 1 (1.8%)
Other Years
2015, 2016, 2017, 2018, 2019

Timeline of known close approaches less than one lunar distance from Earth in 2017 edit

A list of known near-Earth asteroid close approaches less than 1 lunar distance (0.0025696 AU (384,410 km; 238,860 mi)) from Earth in 2017.[a]

For reference, the radius of Earth is approximately 0.0000426 AU (6,370 km; 3,960 mi) or 0.0166 lunar distances.
Geosynchronous satellites have an orbit with semi-major axis length of 0.000282 AU (42,200 km; 26,200 mi) or 0.110 lunar distances. In 2017, five known asteroids have traveled nearer than this, 2017 GM, 2017 UJ2, YU95BEF, 2017 EA, and 2017 WE30. P10ELNY and A104Vqx probably have traveled nearer, but knowledge of their orbits is too poor to be sure.

While most asteroids on this list are confirmed, well-observed unconfirmed objects with a 50% or greater chance of passing within 1 LD of the Earth are included as well.

This list does not include any of the 29 objects that collided with earth in 2017, none of which were discovered in advance, but were recorded by sensors designed to detect detonation of nuclear devices (of the 29 objects detected, 6 had an impact energy greater than that of a 1 kiloton device).[1]

  Rows highlighted red indicate objects which were not discovered until after closest approach

  Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach

  Rows highlighted green indicate objects discovered more than one week before closest approach

  Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach

  Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)

Date of
closest
approach 		Date
discovered 		Object Nominal geocentric
distance (AU)[b] 		Nominal
geocentric
dist. (LD) 		Size (m)
(approx.) 		(H)
(mag) 		Closer
to
Moon?
2017-01-09 2017-01-07[2] 2017 AG13 0.00139 AU (208,000 km; 129,000 mi) 0.54 13–41 26.1[3]
2017-01-25 2017-01-20[4] 2017 BX 0.00178 AU (266,000 km; 165,000 mi) 0.69 5–18 28.0[5]
2017-01-30 2017-01-29[6] 2017 BH30 0.000347 AU (51,900 km; 32,300 mi) 0.13[c] 4–12 28.8[7]
2017-02-02 2017-01-30[8] 2017 BS32 0.00109 AU (163,000 km; 101,000 mi) 0.42 7–24 27.3[9]
2017-02-23 2017-02-21[10] 2017 DG16 0.000920 AU (137,600 km; 85,500 mi) 0.36 3–9 29.3[11] Yes
2017-02-25 2017-02-22[12] 2017 DR34 0.00149 AU (223,000 km; 139,000 mi) 0.58 3–11 29.1[13]
2017-03-02 2017-03-02[14] 2017 EA 0.000140 AU (20,900 km; 13,000 mi) 0.054 1–5 30.8[15]
2017-03-05 2017-02-27[16] 2017 DS109 0.00236 AU (353,000 km; 219,000 mi) 0.92 13–43 25.9[17]
2017-03-17 2017-03-19[18] 2017 FD3 0.00120 AU (180,000 km; 112,000 mi) 0.47 6–20 27.7[19]
2017-03-17 2017-03-19[20] 2017 FW158 0.000815 AU (121,900 km; 75,800 mi) 0.32 5–14 28.4[21]
2017-03-19 2017-03-17[22] 2017 FS 0.000730 AU (109,200 km; 67,900 mi) 0.28 3–11 29.0[23]
2017-03-20 2017-03-21[24] 2017 FX158 0.00182 AU (272,000 km; 169,000 mi) 0.71 3–11 29.0[25]
2017-03-20 2017-03-20[26] 2017 FN1 0.000423 AU (63,300 km; 39,300 mi) 0.16 2–5 30.6[27]
2017-03-20 2017-03-20[28] 2017 FM1 0.000856 AU (128,100 km; 79,600 mi) 0.33 3–9 29.5[29]
2017-03-30 2017-03-25[30] 2017 FJ101 0.00217 AU (325,000 km; 202,000 mi) 0.85 4–15 28.5[31]
2017-04-02 2017-03-29[32] 2017 FU102 0.00146 AU (218,000 km; 136,000 mi) 0.57 4–13 28.7[33]
2017-04-04 2017-04-03[34] 2017 GM 0.000109 AU (16,300 km; 10,100 mi) 0.042 2–7 29.9[35]
2017-04-16 2017-04-17[36] 2017 HJ 0.000908 AU (135,800 km; 84,400 mi) 0.35 7–22 27.5[37]
2017-04-22 2017-04-26[38] 2017 HG4 0.00156 AU (233,000 km; 145,000 mi) 0.61 6–21 27.6[39]
2017-04-23 2017-04-22[40] 2017 HV2 0.000838 AU (125,400 km; 77,900 mi) 0.33 3–12 28.9[41]
2017-05-02 2017-05-01[42] 2017 JA 0.000666 AU (99,600 km; 61,900 mi) 0.26 3–13 28.9[43]
2017-05-04 2017-05-02[44] 2017 JQ1 0.00114 AU (171,000 km; 106,000 mi) 0.44 3–9 29.4[45]
2017-05-04 2017-05-06[46] 2017 JB2 0.000372 AU (55,700 km; 34,600 mi) 0.14 3–11 29.0[47]
2017-07-21 2017-07-23[48] 2017 OO1 0.000852 AU (127,500 km; 79,200 mi) 0.33 26–93 24.4[49]
2017-08-14 2017-08-16[50] 2017 QP1 0.000419 AU (62,700 km; 38,900 mi) 0.16 31–91 24.3[51]
2017-08-20 2017-08-18[52] 2017 QN2 0.00145 AU (217,000 km; 135,000 mi) 0.56 5–22 27.9[53]
2017-09-03 2017-08-31[54] 2017 QB35 0.00238 AU (356,000 km; 221,000 mi) 0.93 3–9 29.3[55]
2017-09-14 2017-09-18[56] 2017 SQ2 0.00133 AU (199,000 km; 124,000 mi) 0.52 14–49 25.8[57]
2017-09-20 2017-09-17[58] 2017 SM2 0.00207 AU (310,000 km; 192,000 mi) 0.81 6–26 27.3[59]
2017-09-20 2017-09-21[60] 2017 SZ32 0.00137 AU (205,000 km; 127,000 mi) 0.53 3–9 29.2[61] Yes
2017-09-20 2017-09-20[62] 2017 SR2 0.000623 AU (93,200 km; 57,900 mi) 0.24 4–12 28.5[63]
2017-09-24 2017-09-25[64] 2017 SS12 0.00172 AU (257,000 km; 160,000 mi) 0.67 8–27 27.0[65] Yes
2017-09-30 2017-10-01[66] 2017 TQ2 0.000691 AU (103,400 km; 64,200 mi) 0.27 3–8 29.4[67]
2017-10-02 2017-09-29[68] 2017 SX17 0.00058 AU (87,000 km; 54,000 mi) 0.23 4–16 28.1[69]
2017-10-10 2017-10-14[70] 2017 TF5 0.00187 AU (280,000 km; 174,000 mi) 0.73 20–95 24.7[71]
2017-10-12 2012-10-04[72] 2012 TC4 0.000335 AU (50,100 km; 31,100 mi) 0.13[d] 10–31 26.7[73]
2017-10-13 2017-10-21[74]
(Unconfirmed)		 YT80190 0.000537 AU (80,300 km; 49,900 mi) 0.21[e] 2–6 30.4
2017-10-15 2017-10-16[75] 2017 UF 0.00255 AU (381,000 km; 237,000 mi) 0.992 5–20 27.9[76]
2017-10-16 2017-10-15[77] 2017 TH5 0.000668 AU (99,900 km; 62,100 mi) 0.26 4–18 28.2[78]
2017-10-17 2017-10-19[79] 2017 UR2 0.00213 AU (319,000 km; 198,000 mi) 0.83 6–19 27.8[80]
2017-10-19 2017-10-11[81] 2017 TD6 0.00128 AU (191,000 km; 119,000 mi) 0.50 7–28 27.2[82] Yes
2017-10-20 2017-10-21[83] 2017 UJ2 0.000120 AU (18,000 km; 11,200 mi) 0.047 1–5 30.8[84]
2017-10-21 2017-10-25[85] 2017 UA52 0.00132 AU (197,000 km; 123,000 mi) 0.51 4–15 28.5[86] Yes
2017-10-22 2017-10-30[74]
(Unconfirmed)		 YU92F9B 0.00121 AU (181,000 km; 112,000 mi) 0.47[f] 3–10 29.2
2017-10-22 2017-10-30[74]
(Unconfirmed)		 YU95BEF 0.000130 AU (19,400 km; 12,100 mi) 0.051[g] 5–15 28.2
2017-10-28 2017-10-27[87] 2017 UL6 0.000398 AU (59,500 km; 37,000 mi) 0.16 1–3 32.0[88]
2017-10-30 2017-10-29[89] 2017 UK8 0.00151 AU (226,000 km; 140,000 mi) 0.59 4–17 28.3[90]
2017-11-04 2017-11-05[91] 2017 VE 0.00227 AU (340,000 km; 211,000 mi) 0.88 10–31 26.6[92]
2017-11-08 2017-11-16[74]
(Unconfirmed)		 A104Vqx 0.000222 AU (33,200 km; 20,600 mi) 0.086[h] 4–14 28.4
2017-11-09 2017-11-10[93] 2017 VL2 0.000787 AU (117,700 km; 73,200 mi) 0.31 13–42 26.1[94]
2017-11-13 2017-11-15[95] 2017 VF14 0.00205 AU (307,000 km; 191,000 mi) 0.80 4–14 28.5[96]
2017-11-14 2017-11-20[74]
(Unconfirmed)		 P10ELNY 0.000212 AU (31,700 km; 19,700 mi) 0.083[i] 4–12 28.8
2017-11-21 2017-11-20[97] 2017 WW1 0.000942 AU (140,900 km; 87,600 mi) 0.37 3–7 29.7[98]
2017-11-21 2017-11-22[99] 2017 WA14 0.000633 AU (94,700 km; 58,800 mi) 0.25 6–26 27.5[100]
2017-11-26 2017-11-26[101] 2017 WE30 0.000201 AU (30,100 km; 18,700 mi) 0.078 1–3 31.9[102]
2017-12-28 2017-12-25[103] 2017 YZ4 0.00149 AU (223,000 km; 139,000 mi) 0.58 4–18 28.2[104]
2017-12-30 2017-12-28[105] 2017 YE7 0.00206 AU (308,000 km; 191,000 mi) 0.80 4–13 28.5[106]

Warning times by size edit

This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the absolute magnitude of each asteroid, an approximate measure of size based on brightness.

Abs Magnitude 30 and greater

 
Silhouette of man standing and facing forward

(size of a person for comparison)

 After closest approach: 2 (33.3%)< 24 hours before: 3 (50.0%)up to 7 days before: 1 (16.7%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Abs Magnitude 29-30

 After closest approach: 5 (38.5%)< 24 hours before: 1 (7.7%)up to 7 days before: 7 (53.8%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute Magnitude 28-29

 After closest approach: 6 (33.3%)< 24 hours before: 2 (11.1%)up to 7 days before: 10 (55.6%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute Magnitude 27-28

 After closest approach: 7 (63.6%)< 24 hours before: 0 (0.0%)up to 7 days before: 3 (27.3%)> one week before: 1 (9.1%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute Magnitude 26-27

 After closest approach: 2 (50.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 1 (25.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 1 (25.0%)

Absolute Magnitude 25-26

 After closest approach: 1 (50.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 1 (50.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute Magnitude less than 25 (largest)

 After closest approach: 3 (100.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 0 (0.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 3 (100.0%)
  •   < 24 hours before: 0 (0.0%)
  •   up to 7 days before: 0 (0.0%)
  •   > one week before: 0 (0.0%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)

Notes edit

  1. ^ For a list of current Earth close approaches see NEO Earth Close Approaches
  2. ^ Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km.
  3. ^ Closest approach for 2017 BH30 was over the Taymyr Peninsula.
  4. ^ This will mark the first time an asteroid was observed passing less than 1 LD to the Earth on two different occasions.
  5. ^ distance error: 0.0000894 AU, approach range: 0.17 to 0.24 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  6. ^ distance error: 0.000283 AU, approach range: 0.36 to 0.58 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  7. ^ distance error: 0.0000611 AU, approach range: 0.027 to 0.074 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  8. ^ distance error: 0.000163 AU, approach range: 0.023 to 0.15 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  9. ^ distance error: 0.000121 AU, approach range: 0.035 to 0.13 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.

Timeline of close approaches less than one lunar distance from the Moon in 2017 edit

The number of asteroids listed here are significantly less than those of asteroids that approach Earth for several reasons. Asteroids that approach Earth not only move faster, but are brighter and are easier to detect with modern surveys because:

  • Asteroids that come closer to Earth are a higher priority to confirm, and only confirmed asteroids are listed with a lunocentric approach distance.
  • Those that closely approach the Moon are frequently lost in its glare, making them harder to confirm. They are similarly hard to discover during the new moon, when the Moon is too close to the Sun to detect asteroids while they are near the Moon.

These factors severely limit the amount of Moon-approaching asteroids, to a level many times lower than the asteroids detected passing as close to Earth.

Date of
closest
approach 		Object Nominal lunocentric
distance (AU)[a] 		Nominal lunocentric
distance (LD) 		Size (m)
(approximate) 		(H) Approach
distance
to Earth
(LD)
2017-01-25 2017 BA7 0.00187 AU (280,000 km; 174,000 mi) 0.73 5–16 28.1[107] 1.12
2017-01-25 2017 BX 0.00209 AU (313,000 km; 194,000 mi) 0.81 5–18 28.0[5] 0.69
2017-01-30 2017 BH30 0.00187 AU (280,000 km; 174,000 mi) 0.73 4–12 28.8[7] 0.13
2017-02-03 2017 BS32 0.00193 AU (289,000 km; 179,000 mi) 0.75 7–24 27.3[9] 0.42
2017-02-24 2017 DG16 0.000555 AU (83,000 km; 51,600 mi) 0.22[b] 3–9 29.3[11] 0.36
2017-02-25 2017 DR34 0.00179 AU (268,000 km; 166,000 mi) 0.70 3–11 29.1[11] 0.58
2017-03-02 2017 EA 0.00224 AU (335,000 km; 208,000 mi) 0.87 1–5 30.8[15] 0.054
2017-03-17 2017 FD3 0.00236 AU (353,000 km; 219,000 mi) 0.92 6–20 27.7[19] 0.47
2017-03-17 2017 FW158 0.00104 AU (156,000 km; 97,000 mi) 0.40 5–14 28.4[21] 0.32
2017-04-04 2017 GM 0.00227 AU (340,000 km; 211,000 mi) 0.88 2–7 29.9[35] 0.042
2017-04-21 2017 HG4 0.00177 AU (265,000 km; 165,000 mi) 0.69 6–21 27.6[39] 0.61
2017-04-24 2017 HV2 0.00230 AU (344,000 km; 214,000 mi) 0.90 3–12 28.9[41] 0.33
2017-05-02 2017 JA 0.00251 AU (375,000 km; 233,000 mi) 0.98 3–13 28.9[43] 0.26
2017-05-02 2017 JB2 0.00188 AU (281,000 km; 175,000 mi) 0.73 3–11 29.0[47] 0.14
2017-05-03 2017 JQ1 0.00247 AU (370,000 km; 230,000 mi) 0.96 3–9 29.4[45] 0.44
2017-05-31 2017 KW31 0.00114 AU (171,000 km; 106,000 mi) 0.45 10–36 26.5[108] 1.23
2017-07-21 2017 OO1 0.00236 AU (353,000 km; 219,000 mi) 0.92 25–90 24.5[49] 0.30
2017-08-14 2017 QP1 0.00230 AU (344,000 km; 214,000 mi) 0.90 31–91 24.3[51] 0.16
2017-08-21 2017 QN2 0.00176 AU (263,000 km; 164,000 mi) 0.69 5–22 27.9[53] 0.56
2017-08-26 2017 QQ17 0.00242 AU (362,000 km; 225,000 mi) 0.94 4–17 28.3[109] 1.02
2017-09-03 2017 QB35 0.00245 AU (367,000 km; 228,000 mi) 0.95 3–9 29.3[55] 0.93
2017-09-16 2017 RW17 0.00175 AU (262,000 km; 163,000 mi) 0.68 2–7 29.8[110] 1.08
2017-09-20 2017 SZ32 0.00129 AU (193,000 km; 120,000 mi) 0.50 3–9 29.2[61] 0.53
2017-09-20 2017 SM2 0.00213 AU (319,000 km; 198,000 mi) 0.83 6–26 27.3[59] 0.81
2017-09-24 2017 SS12 0.000320 AU (47,900 km; 29,700 mi) 0.12 8–27 27.0[65] 0.67
2017-09-30 2017 TQ2 0.00221 AU (331,000 km; 205,000 mi) 0.86 3–8 29.4[67] 0.27
2017-10-02 2017 SX17 0.00174 AU (260,000 km; 162,000 mi) 0.68 4–16 28.1[69] 0.22
2017-10-12 2012 TC4 0.00186 AU (278,000 km; 173,000 mi) 0.72 10–31 26.7[73] 0.23
2017-10-13 YT80190 0.00208 AU (311,000 km; 193,000 mi) 0.81[c] 2–6 30.4 0.21
2017-10-17 2017 TH5 0.00142 AU (212,000 km; 132,000 mi) 0.55 4–18 28.2[78] 0.26
2017-10-20 2017 UJ2 0.00166 AU (248,000 km; 154,000 mi) 0.65 1–5 30.8[84] 0.047
2017-10-20 2017 TD6 0.000756 AU (113,100 km; 70,300 mi) 0.29 7–28 27.2[82] 0.50
2017-10-20 2017 UA52 0.000288 AU (43,100 km; 26,800 mi) 0.11[d] 4–15 28.3[86] 0.51
2017-10-22 YU95BEF 0.000481 AU (72,000 km; 44,700 mi) 0.19[e] 5–15 28.2 0.051
2017-10-24 2017 UK3 0.00207 AU (310,000 km; 192,000 mi) 0.80 7–28 27.2[111] 1.38
2017-11-09 2017 VL2 0.00254 AU (380,000 km; 236,000 mi) 0.990 13–42 26.1[94] 0.31
2017-11-09 A104Vqx 0.00204 AU (305,000 km; 190,000 mi) 0.80[f] 4–14 28.4 0.086
2017-11-13 2017 VF14 0.00243 AU (364,000 km; 226,000 mi) 0.94 4–14 28.5[96] 0.80
2017-11-14 P10ELNY 0.00196 AU (293,000 km; 182,000 mi) 0.76[g] 4–12 28.8 0.083
2017-12-18 2017 YJ1 0.00142 AU (212,000 km; 132,000 mi) 0.55 6–26 27.5[112] 1.044
2017-12-28 2017 YZ4 0.00175 AU (262,000 km; 163,000 mi) 0.68 4–18 28.2[104] 0.58

Notes edit

  1. ^ Distance from the center of the Moon to the center of the object. The Moon has a radius of approximately 1,740 km.
  2. ^ This is the closest any known asteroid has passed to the Moon in nearly three years, after 2014 GY44 passed 0.097 LD from the Moon in March 2014.
  3. ^ distance error: 0.00000802 AU, approach range: 0.807 to 0.814 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  4. ^ This is the closest any known asteroid has passed to the Moon in nearly three years (even closer than 2017 DG16) after 2014 GY44 passed 0.097 LD from the Moon in March 2014.
  5. ^ distance error: 0.00000171 AU, approach range: 0.181 to 0.194 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  6. ^ distance error: 0.0000188 AU, approach range: 0.788 to 0.803 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
  7. ^ distance error: 0.000177 AU, approach range: 0.69 to 0.83 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.

Additional examples edit

 
Radar animation of 2017 BQ6 during closest approach on 7 February 2017
 
Radar animation of 2014 JO25 during closest approach on 19 April 2017

An example list of near-Earth asteroids that passed or will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2017.

Object Size
(meters)		 Lunar
distances		 Date
2017 AP19 65 3.34 6 January 2017
2017 BJ30[113] 16 1.03 31 January 2017
2017 BQ6 186 6.57 7 February 2017
2017 DZ37[114] 7 1.005 23 February 2017
2017 DV36[115] 9 1.02 27 February 2017
1998 SL36[116] 313 8.34 16 March 2017
2017 FT102[117] 4 1.05
1.04 moon		 3 April 2017
2014 JO25[118] 823 4.57 19 April 2017
(418094) 2007 WV4[119] 890 7.96 1 June 2017
2017 KQ27[120] 30 1.02
1.34 moon		 6 June 2017
2017 MF[121] 20 1.21 moon 19 June 2017
2017 NT5[122] 110 1.11
1.27 moon		 14 July 2017
2006 SR131[123] 8 0.32 and 11
[clarification needed]		 17–28 September 2017
(496817) 1989 VB[124] 394 7.88 29 September 2017
YT83F29
[citation needed]		 4 2.6
0.73 moon		 14 October 2017
(171576) 1999 VP11[125] 685 5.77 22 October 2017
(444584) 2006 UK[126] 313 8.66 17 November 2017

Statistics edit

 
Graph of near-Earth object sizes and close approaches in 2017. Shown here, asteroid 2014 JO25 was the largest asteroid that has approached within 5 LD from Earth in 2017.
Discoveries by month
month <1 LD <5 LD
January
3
17
February
3
27
March
9
34
April
5
28
May
3
14
June
0
10
July
1
11
August
2
17
September
5
32
October
14
52
November
8
29
December
2
28
Discoveries by size
Abs. mag <1 LD <5 LD
H <20
0
1
<21
0
0
<22
0
1
<23
0
3
<24
0
7
<25
3
19
<26
2
40
<27
4
74
<28
11
72
<29
18
57
<30
13
19
<31
4
5
<32
1
1
<33
1
1

Virtual impactors edit

List of asteroids with a Palermo Technical Impact Hazard Scale greater than −6 that are listed on the Sentry Risk Table because they have short observation arcs with poorly constrained orbits and have a chance of impacting Earth in 2017. Given a short observation arc, many different orbits fit the observed data. 2010 XB73 could have approached Earth around May 2017 or could have been 9 AU[127] from Earth on the way to a close approach with Saturn in 2018. A Palermo rating of −4 indicates an event that is 10,000 times less likely than the background hazard level of Earth impacts, which is defined as the average risk posed by objects of the same size or larger over the years until the date of the potential impact.

Date Object Estimated
diameter
(meters) 		Obs
arc
(days) 		Impact
probability
(1 in) 		Palermo
scale 		JPL Horizons
nominal geocentric
distance (AU) 		NEODyS
nominal geocentric
distance (AU)
2017-05-22[128] 2010 GZ60 2,000[a] 1.3 830,000,000 -1.83 0.4 AU (60,000,000 km; 37,000,000 mi) Not listed
2017-05-25[129] 2010 XB73 110 1.1 120,000,000 -4.47 1.6 AU (240,000,000 km; 150,000,000 mi) 9.0 AU (1.35×109 km; 840,000,000 mi)[127]
2017-08-19[130] 2015 ME131 500 1.8 420,000,000 -3.41 0.4 AU (60,000,000 km; 37,000,000 mi) 0.4 AU (60,000,000 km; 37,000,000 mi)
2017-09-18[131] 2015 HV182 157 0.9 7,700,000,000 -5.78 2.3 AU (340,000,000 km; 210,000,000 mi) 2.3 AU (340,000,000 km; 210,000,000 mi)
2017-11-18[132] 2008 VS4 45 0.083 100,000,000 -5.50 4.6 AU (690,000,000 km; 430,000,000 mi) 3.9 AU (580,000,000 km; 360,000,000 mi)
2017-11-29[133] 2007 YM 20 0.13 2,000,000 -5.21 5.1 AU (760,000,000 km; 470,000,000 mi) 5.1 AU (760,000,000 km; 470,000,000 mi)
2017-12-01[128] 2010 GZ60 2,000[a] 1.3 10,000,000,000 -3.62 1.0 AU (150,000,000 km; 93,000,000 mi) Not listed
2017-12-13[134] 2005 TM173 53 1.9 230,000,000 -5.98 5.7 AU (850,000,000 km; 530,000,000 mi) 5.7 AU (850,000,000 km; 530,000,000 mi)
2017-12-20[128] 2010 GZ60 2,000[a] 1.3 83,000,000 -1.97 1.2 AU (180,000,000 km; 110,000,000 mi) Not listed

Notes edit

  1. ^ a b c Discovered and only observed by WISE, an infrared telescope, so no apparent magnitude, and therefore estimated size was provided. As such, the size is only a rough estimate. Observation arc is only 1.3 days. Eccentricity is assumed and the object is lost.

See also edit

References edit

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  106. ^ "JPL Small-Body Database Browser: (2017 YE7)" (last observation: 2017-12-30).
  107. ^ "JPL Small-Body Database Browser: (2017 BA7)" (last observation: 2017-01-29).
  108. ^ "JPL Small-Body Database Browser: (2017 KW31)" (last observation: 2017-05-31).
  109. ^ "JPL Small-Body Database Browser: (2017 QQ17)" (last observation: 2017-08-26).
  110. ^ "JPL Small-Body Database Browser: (2017 RW17)" (last observation: 2017-09-15).
  111. ^ "JPL Small-Body Database Browser: (2017 UK3)" (last observation: 2017-10-23).
  112. ^ "JPL Small-Body Database Browser: (2017 YJ1)" (last observation: 2017-12-31).
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  116. ^ "(1998 SL36) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3014117.
  117. ^ "(2017 FT102) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3773057.
  118. ^ "(2014 JO25) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3670721.
  119. ^ "418094 (2007 WV4) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2418094.
  120. ^ "(2017 KQ27) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3775038.
  121. ^ "(2017 MF) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3775253.
  122. ^ "(2017 NT5) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3776550.
  123. ^ "(2006 SR131) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3345302.
  124. ^ "496817 (1989 VB) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2496817.
  125. ^ "171576 (1999 VP11) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2171576.
  126. ^ "444584 (2006 UK) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2444584.
  127. ^ a b "NEODyS-2 Ephemerides for 2010XB73". (Close Approaches)
  128. ^ a b c 2010 GZ60 -- Earth Impact Risk Summary (4 missed virtual impactors) "Sentry: Earth Impact Monitoring". Archived from the original on 4 May 2017. Retrieved 7 March 2020.
  129. ^ 2010 XB73 -- Earth Impact Risk Summary (2 missed virtual impactors) . Archived from the original on 26 January 2016. Retrieved 28 January 2018.
  130. ^ 2015 ME131 -- Earth Impact Risk Summary . Archived from the original on 1 August 2015. Retrieved 28 January 2018.
  131. ^ 2015 HV182 -- Earth Impact Risk Summary (4 missed virtual impactors) . Archived from the original on 3 July 2015. Retrieved 28 January 2018.
  132. ^ 2008 VS4 -- Earth Impact Risk Summary (21 missed virtual impactors) . Archived from the original on 17 January 2009. Retrieved 28 January 2018.
  133. ^ 2007 YM -- Earth Impact Risk Summary (3 missed virtual impactors) . Archived from the original on 3 January 2008. Retrieved 28 January 2018.
  134. ^ 2005 TM173 -- Earth Impact Risk Summary (17 missed virtual impactors) . Archived from the original on 31 December 2005. Retrieved 28 January 2018.

External links edit

  • (JPL)
  • Upcoming close approaches to Earth (ESA)
  • Table of Asteroids Next Closest Approaches to the Earth (Sormano Observatory)

January 01, 1970
list, asteroid, close, approaches, earth, 2017, below, list, asteroid, close, approaches, earth, 2017, time, discovery, asteroids, which, came, closer, earth, than, moon, 2017, after, closest, approach, hours, before, days, before, week, before, weeks, before,. Below is the list of asteroid close approaches to Earth in 2017 Time of discovery of asteroids which came closer to Earth than the Moon in 2017 After closest approach 26 45 6 lt 24 hours before 6 10 5 up to 7 days before 23 40 4 gt one week before 1 1 8 gt 7 weeks before 0 0 0 gt one year before 1 1 8 Other Years2015 2016 2017 2018 2019 Contents 1 Timeline of known close approaches less than one lunar distance from Earth in 2017 1 1 Warning times by size 1 2 Notes 2 Timeline of close approaches less than one lunar distance from the Moon in 2017 2 1 Notes 3 Additional examples 4 Statistics 5 Virtual impactors 5 1 Notes 6 See also 7 References 8 External linksTimeline of known close approaches less than one lunar distance from Earth in 2017 editA list of known near Earth asteroid close approaches less than 1 lunar distance 0 0025696 AU 384 410 km 238 860 mi from Earth in 2017 a For reference the radius of Earth is approximately 0 0000426 AU 6 370 km 3 960 mi or 0 0166 lunar distances Geosynchronous satellites have an orbit with semi major axis length of 0 000282 AU 42 200 km 26 200 mi or 0 110 lunar distances In 2017 five known asteroids have traveled nearer than this 2017 GM 2017 UJ2 YU95BEF 2017 EA and 2017 WE30 P10ELNY and A104Vqx probably have traveled nearer but knowledge of their orbits is too poor to be sure While most asteroids on this list are confirmed well observed unconfirmed objects with a 50 or greater chance of passing within 1 LD of the Earth are included as well This list does not include any of the 29 objects that collided with earth in 2017 none of which were discovered in advance but were recorded by sensors designed to detect detonation of nuclear devices of the 29 objects detected 6 had an impact energy greater than that of a 1 kiloton device 1 Rows highlighted red indicate objects which were not discovered until after closest approach Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach Rows highlighted green indicate objects discovered more than one week before closest approach Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach Rows highlighted blue indicate objects discovered more than one year before closest approach i e objects successfully cataloged on a previous orbit rather than being detected during final approach Date ofclosestapproach Datediscovered Object Nominal geocentricdistance AU b Nominalgeocentricdist LD Size m approx H mag ClosertoMoon 2017 01 09 2017 01 07 2 2017 AG13 0 00139 AU 208 000 km 129 000 mi 0 54 13 41 26 1 3 2017 01 25 2017 01 20 4 2017 BX 0 00178 AU 266 000 km 165 000 mi 0 69 5 18 28 0 5 2017 01 30 2017 01 29 6 2017 BH30 0 000347 AU 51 900 km 32 300 mi 0 13 c 4 12 28 8 7 2017 02 02 2017 01 30 8 2017 BS32 0 00109 AU 163 000 km 101 000 mi 0 42 7 24 27 3 9 2017 02 23 2017 02 21 10 2017 DG16 0 000920 AU 137 600 km 85 500 mi 0 36 3 9 29 3 11 Yes 2017 02 25 2017 02 22 12 2017 DR34 0 00149 AU 223 000 km 139 000 mi 0 58 3 11 29 1 13 2017 03 02 2017 03 02 14 2017 EA 0 000140 AU 20 900 km 13 000 mi 0 054 1 5 30 8 15 2017 03 05 2017 02 27 16 2017 DS109 0 00236 AU 353 000 km 219 000 mi 0 92 13 43 25 9 17 2017 03 17 2017 03 19 18 2017 FD3 0 00120 AU 180 000 km 112 000 mi 0 47 6 20 27 7 19 2017 03 17 2017 03 19 20 2017 FW158 0 000815 AU 121 900 km 75 800 mi 0 32 5 14 28 4 21 2017 03 19 2017 03 17 22 2017 FS 0 000730 AU 109 200 km 67 900 mi 0 28 3 11 29 0 23 2017 03 20 2017 03 21 24 2017 FX158 0 00182 AU 272 000 km 169 000 mi 0 71 3 11 29 0 25 2017 03 20 2017 03 20 26 2017 FN1 0 000423 AU 63 300 km 39 300 mi 0 16 2 5 30 6 27 2017 03 20 2017 03 20 28 2017 FM1 0 000856 AU 128 100 km 79 600 mi 0 33 3 9 29 5 29 2017 03 30 2017 03 25 30 2017 FJ101 0 00217 AU 325 000 km 202 000 mi 0 85 4 15 28 5 31 2017 04 02 2017 03 29 32 2017 FU102 0 00146 AU 218 000 km 136 000 mi 0 57 4 13 28 7 33 2017 04 04 2017 04 03 34 2017 GM 0 000109 AU 16 300 km 10 100 mi 0 042 2 7 29 9 35 2017 04 16 2017 04 17 36 2017 HJ 0 000908 AU 135 800 km 84 400 mi 0 35 7 22 27 5 37 2017 04 22 2017 04 26 38 2017 HG4 0 00156 AU 233 000 km 145 000 mi 0 61 6 21 27 6 39 2017 04 23 2017 04 22 40 2017 HV2 0 000838 AU 125 400 km 77 900 mi 0 33 3 12 28 9 41 2017 05 02 2017 05 01 42 2017 JA 0 000666 AU 99 600 km 61 900 mi 0 26 3 13 28 9 43 2017 05 04 2017 05 02 44 2017 JQ1 0 00114 AU 171 000 km 106 000 mi 0 44 3 9 29 4 45 2017 05 04 2017 05 06 46 2017 JB2 0 000372 AU 55 700 km 34 600 mi 0 14 3 11 29 0 47 2017 07 21 2017 07 23 48 2017 OO1 0 000852 AU 127 500 km 79 200 mi 0 33 26 93 24 4 49 2017 08 14 2017 08 16 50 2017 QP1 0 000419 AU 62 700 km 38 900 mi 0 16 31 91 24 3 51 2017 08 20 2017 08 18 52 2017 QN2 0 00145 AU 217 000 km 135 000 mi 0 56 5 22 27 9 53 2017 09 03 2017 08 31 54 2017 QB35 0 00238 AU 356 000 km 221 000 mi 0 93 3 9 29 3 55 2017 09 14 2017 09 18 56 2017 SQ2 0 00133 AU 199 000 km 124 000 mi 0 52 14 49 25 8 57 2017 09 20 2017 09 17 58 2017 SM2 0 00207 AU 310 000 km 192 000 mi 0 81 6 26 27 3 59 2017 09 20 2017 09 21 60 2017 SZ32 0 00137 AU 205 000 km 127 000 mi 0 53 3 9 29 2 61 Yes 2017 09 20 2017 09 20 62 2017 SR2 0 000623 AU 93 200 km 57 900 mi 0 24 4 12 28 5 63 2017 09 24 2017 09 25 64 2017 SS12 0 00172 AU 257 000 km 160 000 mi 0 67 8 27 27 0 65 Yes 2017 09 30 2017 10 01 66 2017 TQ2 0 000691 AU 103 400 km 64 200 mi 0 27 3 8 29 4 67 2017 10 02 2017 09 29 68 2017 SX17 0 00058 AU 87 000 km 54 000 mi 0 23 4 16 28 1 69 2017 10 10 2017 10 14 70 2017 TF5 0 00187 AU 280 000 km 174 000 mi 0 73 20 95 24 7 71 2017 10 12 2012 10 04 72 2012 TC4 0 000335 AU 50 100 km 31 100 mi 0 13 d 10 31 26 7 73 2017 10 13 2017 10 21 74 Unconfirmed YT80190 0 000537 AU 80 300 km 49 900 mi 0 21 e 2 6 30 4 2017 10 15 2017 10 16 75 2017 UF 0 00255 AU 381 000 km 237 000 mi 0 992 5 20 27 9 76 2017 10 16 2017 10 15 77 2017 TH5 0 000668 AU 99 900 km 62 100 mi 0 26 4 18 28 2 78 2017 10 17 2017 10 19 79 2017 UR2 0 00213 AU 319 000 km 198 000 mi 0 83 6 19 27 8 80 2017 10 19 2017 10 11 81 2017 TD6 0 00128 AU 191 000 km 119 000 mi 0 50 7 28 27 2 82 Yes 2017 10 20 2017 10 21 83 2017 UJ2 0 000120 AU 18 000 km 11 200 mi 0 047 1 5 30 8 84 2017 10 21 2017 10 25 85 2017 UA52 0 00132 AU 197 000 km 123 000 mi 0 51 4 15 28 5 86 Yes 2017 10 22 2017 10 30 74 Unconfirmed YU92F9B 0 00121 AU 181 000 km 112 000 mi 0 47 f 3 10 29 2 2017 10 22 2017 10 30 74 Unconfirmed YU95BEF 0 000130 AU 19 400 km 12 100 mi 0 051 g 5 15 28 2 2017 10 28 2017 10 27 87 2017 UL6 0 000398 AU 59 500 km 37 000 mi 0 16 1 3 32 0 88 2017 10 30 2017 10 29 89 2017 UK8 0 00151 AU 226 000 km 140 000 mi 0 59 4 17 28 3 90 2017 11 04 2017 11 05 91 2017 VE 0 00227 AU 340 000 km 211 000 mi 0 88 10 31 26 6 92 2017 11 08 2017 11 16 74 Unconfirmed A104Vqx 0 000222 AU 33 200 km 20 600 mi 0 086 h 4 14 28 4 2017 11 09 2017 11 10 93 2017 VL2 0 000787 AU 117 700 km 73 200 mi 0 31 13 42 26 1 94 2017 11 13 2017 11 15 95 2017 VF14 0 00205 AU 307 000 km 191 000 mi 0 80 4 14 28 5 96 2017 11 14 2017 11 20 74 Unconfirmed P10ELNY 0 000212 AU 31 700 km 19 700 mi 0 083 i 4 12 28 8 2017 11 21 2017 11 20 97 2017 WW1 0 000942 AU 140 900 km 87 600 mi 0 37 3 7 29 7 98 2017 11 21 2017 11 22 99 2017 WA14 0 000633 AU 94 700 km 58 800 mi 0 25 6 26 27 5 100 2017 11 26 2017 11 26 101 2017 WE30 0 000201 AU 30 100 km 18 700 mi 0 078 1 3 31 9 102 2017 12 28 2017 12 25 103 2017 YZ4 0 00149 AU 223 000 km 139 000 mi 0 58 4 18 28 2 104 2017 12 30 2017 12 28 105 2017 YE7 0 00206 AU 308 000 km 191 000 mi 0 80 4 13 28 5 106 Warning times by size edit This sub section visualises the warning times of the close approaches listed in the above table depending on the size of the asteroid The sizes of the charts show the relative sizes of the asteroids to scale For comparison the approximate size of a person is also shown This is based the absolute magnitude of each asteroid an approximate measure of size based on brightness Abs Magnitude 30 and greater nbsp Silhouette of man standing and facing forward size of a person for comparison nbsp Abs Magnitude 29 30 nbsp Absolute Magnitude 28 29 nbsp Absolute Magnitude 27 28 nbsp Absolute Magnitude 26 27 nbsp Absolute Magnitude 25 26 nbsp Absolute Magnitude less than 25 largest nbsp After closest approach 3 100 0 lt 24 hours before 0 0 0 up to 7 days before 0 0 0 gt one week before 0 0 0 gt 7 weeks before 0 0 0 gt one year before 0 0 0 Notes edit For a list of current Earth close approaches see NEO Earth Close Approaches Distance from the center of Earth to the center of the object See the NASA JPL Solar System Dynamics Glossary Geocentric Earth has a radius of approximately 6 400 km Closest approach for 2017 BH30 was over the Taymyr Peninsula This will mark the first time an asteroid was observed passing less than 1 LD to the Earth on two different occasions distance error 0 0000894 AU approach range 0 17 to 0 24 LD The asteroid is unconfirmed and will likely never receive a provisional designation distance error 0 000283 AU approach range 0 36 to 0 58 LD The asteroid is unconfirmed and will likely never receive a provisional designation distance error 0 0000611 AU approach range 0 027 to 0 074 LD The asteroid is unconfirmed and will likely never receive a provisional designation distance error 0 000163 AU approach range 0 023 to 0 15 LD The asteroid is unconfirmed and will likely never receive a provisional designation distance error 0 000121 AU approach range 0 035 to 0 13 LD The asteroid is unconfirmed and will likely never receive a provisional designation Timeline of close approaches less than one lunar distance from the Moon in 2017 editThe number of asteroids listed here are significantly less than those of asteroids that approach Earth for several reasons Asteroids that approach Earth not only move faster but are brighter and are easier to detect with modern surveys because Asteroids that come closer to Earth are a higher priority to confirm and only confirmed asteroids are listed with a lunocentric approach distance Those that closely approach the Moon are frequently lost in its glare making them harder to confirm They are similarly hard to discover during the new moon when the Moon is too close to the Sun to detect asteroids while they are near the Moon These factors severely limit the amount of Moon approaching asteroids to a level many times lower than the asteroids detected passing as close to Earth Date ofclosestapproach Object Nominal lunocentricdistance AU a Nominal lunocentricdistance LD Size m approximate H Approachdistanceto Earth LD 2017 01 25 2017 BA7 0 00187 AU 280 000 km 174 000 mi 0 73 5 16 28 1 107 1 12 2017 01 25 2017 BX 0 00209 AU 313 000 km 194 000 mi 0 81 5 18 28 0 5 0 69 2017 01 30 2017 BH30 0 00187 AU 280 000 km 174 000 mi 0 73 4 12 28 8 7 0 13 2017 02 03 2017 BS32 0 00193 AU 289 000 km 179 000 mi 0 75 7 24 27 3 9 0 42 2017 02 24 2017 DG16 0 000555 AU 83 000 km 51 600 mi 0 22 b 3 9 29 3 11 0 36 2017 02 25 2017 DR34 0 00179 AU 268 000 km 166 000 mi 0 70 3 11 29 1 11 0 58 2017 03 02 2017 EA 0 00224 AU 335 000 km 208 000 mi 0 87 1 5 30 8 15 0 054 2017 03 17 2017 FD3 0 00236 AU 353 000 km 219 000 mi 0 92 6 20 27 7 19 0 47 2017 03 17 2017 FW158 0 00104 AU 156 000 km 97 000 mi 0 40 5 14 28 4 21 0 32 2017 04 04 2017 GM 0 00227 AU 340 000 km 211 000 mi 0 88 2 7 29 9 35 0 042 2017 04 21 2017 HG4 0 00177 AU 265 000 km 165 000 mi 0 69 6 21 27 6 39 0 61 2017 04 24 2017 HV2 0 00230 AU 344 000 km 214 000 mi 0 90 3 12 28 9 41 0 33 2017 05 02 2017 JA 0 00251 AU 375 000 km 233 000 mi 0 98 3 13 28 9 43 0 26 2017 05 02 2017 JB2 0 00188 AU 281 000 km 175 000 mi 0 73 3 11 29 0 47 0 14 2017 05 03 2017 JQ1 0 00247 AU 370 000 km 230 000 mi 0 96 3 9 29 4 45 0 44 2017 05 31 2017 KW31 0 00114 AU 171 000 km 106 000 mi 0 45 10 36 26 5 108 1 23 2017 07 21 2017 OO1 0 00236 AU 353 000 km 219 000 mi 0 92 25 90 24 5 49 0 30 2017 08 14 2017 QP1 0 00230 AU 344 000 km 214 000 mi 0 90 31 91 24 3 51 0 16 2017 08 21 2017 QN2 0 00176 AU 263 000 km 164 000 mi 0 69 5 22 27 9 53 0 56 2017 08 26 2017 QQ17 0 00242 AU 362 000 km 225 000 mi 0 94 4 17 28 3 109 1 02 2017 09 03 2017 QB35 0 00245 AU 367 000 km 228 000 mi 0 95 3 9 29 3 55 0 93 2017 09 16 2017 RW17 0 00175 AU 262 000 km 163 000 mi 0 68 2 7 29 8 110 1 08 2017 09 20 2017 SZ32 0 00129 AU 193 000 km 120 000 mi 0 50 3 9 29 2 61 0 53 2017 09 20 2017 SM2 0 00213 AU 319 000 km 198 000 mi 0 83 6 26 27 3 59 0 81 2017 09 24 2017 SS12 0 000320 AU 47 900 km 29 700 mi 0 12 8 27 27 0 65 0 67 2017 09 30 2017 TQ2 0 00221 AU 331 000 km 205 000 mi 0 86 3 8 29 4 67 0 27 2017 10 02 2017 SX17 0 00174 AU 260 000 km 162 000 mi 0 68 4 16 28 1 69 0 22 2017 10 12 2012 TC4 0 00186 AU 278 000 km 173 000 mi 0 72 10 31 26 7 73 0 23 2017 10 13 YT80190 0 00208 AU 311 000 km 193 000 mi 0 81 c 2 6 30 4 0 21 2017 10 17 2017 TH5 0 00142 AU 212 000 km 132 000 mi 0 55 4 18 28 2 78 0 26 2017 10 20 2017 UJ2 0 00166 AU 248 000 km 154 000 mi 0 65 1 5 30 8 84 0 047 2017 10 20 2017 TD6 0 000756 AU 113 100 km 70 300 mi 0 29 7 28 27 2 82 0 50 2017 10 20 2017 UA52 0 000288 AU 43 100 km 26 800 mi 0 11 d 4 15 28 3 86 0 51 2017 10 22 YU95BEF 0 000481 AU 72 000 km 44 700 mi 0 19 e 5 15 28 2 0 051 2017 10 24 2017 UK3 0 00207 AU 310 000 km 192 000 mi 0 80 7 28 27 2 111 1 38 2017 11 09 2017 VL2 0 00254 AU 380 000 km 236 000 mi 0 990 13 42 26 1 94 0 31 2017 11 09 A104Vqx 0 00204 AU 305 000 km 190 000 mi 0 80 f 4 14 28 4 0 086 2017 11 13 2017 VF14 0 00243 AU 364 000 km 226 000 mi 0 94 4 14 28 5 96 0 80 2017 11 14 P10ELNY 0 00196 AU 293 000 km 182 000 mi 0 76 g 4 12 28 8 0 083 2017 12 18 2017 YJ1 0 00142 AU 212 000 km 132 000 mi 0 55 6 26 27 5 112 1 044 2017 12 28 2017 YZ4 0 00175 AU 262 000 km 163 000 mi 0 68 4 18 28 2 104 0 58 Notes edit Distance from the center of the Moon to the center of the object The Moon has a radius of approximately 1 740 km This is the closest any known asteroid has passed to the Moon in nearly three years after 2014 GY44 passed 0 097 LD from the Moon in March 2014 distance error 0 00000802 AU approach range 0 807 to 0 814 LD The asteroid is unconfirmed and will likely never receive a provisional designation This is the closest any known asteroid has passed to the Moon in nearly three years even closer than 2017 DG16 after 2014 GY44 passed 0 097 LD from the Moon in March 2014 distance error 0 00000171 AU approach range 0 181 to 0 194 LD The asteroid is unconfirmed and will likely never receive a provisional designation distance error 0 0000188 AU approach range 0 788 to 0 803 LD The asteroid is unconfirmed and will likely never receive a provisional designation distance error 0 000177 AU approach range 0 69 to 0 83 LD The asteroid is unconfirmed and will likely never receive a provisional designation Additional examples edit nbsp Radar animation of 2017 BQ6 during closest approach on 7 February 2017 nbsp Radar animation of 2014 JO25 during closest approach on 19 April 2017 An example list of near Earth asteroids that passed or will pass more than 1 lunar distance 384 400 km or 0 00256 AU from Earth in 2017 Object Size meters Lunardistances Date 2017 AP19 65 3 34 6 January 2017 2017 BJ30 113 16 1 03 31 January 2017 2017 BQ6 186 6 57 7 February 2017 2017 DZ37 114 7 1 005 23 February 2017 2017 DV36 115 9 1 02 27 February 2017 1998 SL36 116 313 8 34 16 March 2017 2017 FT102 117 4 1 051 04 moon 3 April 2017 2014 JO25 118 823 4 57 19 April 2017 418094 2007 WV4 119 890 7 96 1 June 2017 2017 KQ27 120 30 1 021 34 moon 6 June 2017 2017 MF 121 20 1 21 moon 19 June 2017 2017 NT5 122 110 1 11 1 27 moon 14 July 2017 2006 SR131 123 8 0 32 and 11 clarification needed 17 28 September 2017 496817 1989 VB 124 394 7 88 29 September 2017 YT83F29 citation needed 4 2 60 73 moon 14 October 2017 171576 1999 VP11 125 685 5 77 22 October 2017 444584 2006 UK 126 313 8 66 17 November 2017Statistics edit nbsp Graph of near Earth object sizes and close approaches in 2017 Shown here asteroid 2014 JO25 was the largest asteroid that has approached within 5 LD from Earth in 2017 Discoveries by month month lt 1 LD lt 5 LD January 3 17 February 3 27 March 9 34 April 5 28 May 3 14 June 0 10 July 1 11 August 2 17 September 5 32 October 14 52 November 8 29 December 2 28 Discoveries by size Abs mag lt 1 LD lt 5 LD H lt 20 0 1 lt 21 0 0 lt 22 0 1 lt 23 0 3 lt 24 0 7 lt 25 3 19 lt 26 2 40 lt 27 4 74 lt 28 11 72 lt 29 18 57 lt 30 13 19 lt 31 4 5 lt 32 1 1 lt 33 1 1 Discoveries by survey Survey lt 1 LD lt 5 LD 408 Mount Nyukasa Station 0 1 703 Catalina Sky Survey 12 52 704 Lincoln Laboratory ETS 0 1 C51 WISE 0 1 F51 Pan STARRS 1 10 56 G45 Space Surveillance Telescope 0 3 G96 Mt Lemmon Survey 28 157 I52 Steward Observatory Mount Lemmon 0 1 J04 ESA OGS 0 1 K88 GINOP KHK 0 1 T05 ATLAS Haleakala 2 11 T08 ATLAS Mauna Loa 5 15 Y00 SONEAR 0 2Virtual impactors editList of asteroids with a Palermo Technical Impact Hazard Scale greater than 6 that are listed on the Sentry Risk Table because they have short observation arcs with poorly constrained orbits and have a chance of impacting Earth in 2017 Given a short observation arc many different orbits fit the observed data 2010 XB73 could have approached Earth around May 2017 or could have been 9 AU 127 from Earth on the way to a close approach with Saturn in 2018 A Palermo rating of 4 indicates an event that is 10 000 times less likely than the background hazard level of Earth impacts which is defined as the average risk posed by objects of the same size or larger over the years until the date of the potential impact Date Object Estimateddiameter meters Obsarc days Impactprobability 1 in Palermoscale JPL Horizonsnominal geocentricdistance AU NEODySnominal geocentricdistance AU 2017 05 22 128 2010 GZ60 2 000 a 1 3 830 000 000 1 83 0 4 AU 60 000 000 km 37 000 000 mi Not listed 2017 05 25 129 2010 XB73 110 1 1 120 000 000 4 47 1 6 AU 240 000 000 km 150 000 000 mi 9 0 AU 1 35 109 km 840 000 000 mi 127 2017 08 19 130 2015 ME131 500 1 8 420 000 000 3 41 0 4 AU 60 000 000 km 37 000 000 mi 0 4 AU 60 000 000 km 37 000 000 mi 2017 09 18 131 2015 HV182 157 0 9 7 700 000 000 5 78 2 3 AU 340 000 000 km 210 000 000 mi 2 3 AU 340 000 000 km 210 000 000 mi 2017 11 18 132 2008 VS4 45 0 083 100 000 000 5 50 4 6 AU 690 000 000 km 430 000 000 mi 3 9 AU 580 000 000 km 360 000 000 mi 2017 11 29 133 2007 YM 20 0 13 2 000 000 5 21 5 1 AU 760 000 000 km 470 000 000 mi 5 1 AU 760 000 000 km 470 000 000 mi 2017 12 01 128 2010 GZ60 2 000 a 1 3 10 000 000 000 3 62 1 0 AU 150 000 000 km 93 000 000 mi Not listed 2017 12 13 134 2005 TM173 53 1 9 230 000 000 5 98 5 7 AU 850 000 000 km 530 000 000 mi 5 7 AU 850 000 000 km 530 000 000 mi 2017 12 20 128 2010 GZ60 2 000 a 1 3 83 000 000 1 97 1 2 AU 180 000 000 km 110 000 000 mi Not listed Notes edit a b c Discovered and only observed by WISE an infrared telescope so no apparent magnitude and therefore estimated size was provided As such the size is only a rough estimate Observation arc is only 1 3 days Eccentricity is assumed and the object is lost See also editList of asteroid close approaches to Earth List of asteroid close approaches to Earth in 2016 List of asteroid close approaches to Earth in 2018 List of bolides asteroids and meteoroids that impacted Earth References edit NASA gov IAU Minor Planet Center JPL Small Body Database Browser 2017 AG13 last observation 2017 01 09 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 BX last observation 2017 01 25 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 BH30 last observation 2017 01 30 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 BS32 last observation 2017 02 02 IAU Minor Planet Center a b c JPL Small Body Database Browser 2017 DG16 last observation 2017 02 23 IAU Minor Planet Center JPL Small Body Database Browser 2017 DR34 last observation 2017 02 23 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 EA last observation 2017 03 02 IAU Minor Planet Center JPL Small Body Database Browser 2017 DS109 last observation 2017 03 05 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 FD3 last observation 2017 03 27 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 FW158 last observation 2017 03 17 IAU Minor Planet Center JPL Small Body Database Browser 2017 FS last observation 2017 03 18 IAU Minor Planet Center JPL Small Body Database Browser 2017 FX158 last observation 2017 03 22 IAU Minor Planet Center JPL Small Body Database Browser 2017 FN1 last observation 2017 03 20 IAU Minor Planet Center JPL Small Body Database Browser 2017 FM1 last observation 2017 03 20 IAU Minor Planet Center JPL Small Body Database Browser 2017 FJ101 last observation 2017 03 30 IAU Minor Planet Center JPL Small Body Database Browser 2017 FU102 last observation 2017 03 30 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 GM last observation 2017 04 04 IAU Minor Planet Center JPL Small Body Database Browser 2017 HJ last observation 2017 04 24 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 HG4 last observation 2017 05 03 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 HV2 last observation 2017 04 23 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 JA last observation 2017 05 02 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 JQ1 last observation 2017 05 03 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 JB2 last observation 2017 05 10 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 OO1 last observation 2017 07 25 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 QP1 last observation 2017 08 19 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 QN2 last observation 2017 08 20 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 QB35 last observation 2017 09 02 IAU Minor Planet Center JPL Small Body Database Browser 2017 SQ2 last observation 2017 09 20 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 SM2 last observation 2017 09 20 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 SZ32 last observation 2017 09 22 IAU Minor Planet Center JPL Small Body Database Browser 2017 SR2 last observation 2017 09 20 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 SS12 last observation 2017 09 26 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 TQ2 last observation 2017 10 02 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 SX17 last observation 2017 10 02 IAU Minor Planet Center JPL Small Body Database Browser 2017 TF5 last observation 2017 10 16 IAU Minor Planet Center a b JPL Small Body Database Browser 2012 TC4 last observation 2017 08 05 a b c d e NEOCP Objects in 2017 IAU Minor Planet Center JPL Small Body Database Browser 2017 UF last observation 2017 10 17 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 TH5 last observation 2017 10 16 IAU Minor Planet Center JPL Small Body Database Browser 2017 UR2 last observation 2017 10 21 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 TD6 last observation 2017 10 17 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 UJ2 last observation 2017 10 22 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 UA52 last observation 2017 10 26 IAU Minor Planet Center JPL Small Body Database Browser 2017 UL6 last observation 2017 10 28 IAU Minor Planet Center JPL Small Body Database Browser 2017 UK8 last observation 2017 10 30 IAU Minor Planet Center JPL Small Body Database Browser 2017 VE last observation 2017 11 09 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 VL2 last observation 2017 11 26 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 VF14 last observation 2017 11 19 IAU Minor Planet Center JPL Small Body Database Browser 2017 WW1 last observation 2017 11 21 IAU Minor Planet Center JPL Small Body Database Browser 2017 WA14 last observation 2017 11 26 IAU Minor Planet Center JPL Small Body Database Browser 2017 WE30 last observation 2017 11 26 IAU Minor Planet Center a b JPL Small Body Database Browser 2017 YZ4 last observation 2017 12 28 IAU Minor Planet Center JPL Small Body Database Browser 2017 YE7 last observation 2017 12 30 JPL Small Body Database Browser 2017 BA7 last observation 2017 01 29 JPL Small Body Database Browser 2017 KW31 last observation 2017 05 31 JPL Small Body Database Browser 2017 QQ17 last observation 2017 08 26 JPL Small Body Database Browser 2017 RW17 last observation 2017 09 15 JPL Small Body Database Browser 2017 UK3 last observation 2017 10 23 JPL Small Body Database Browser 2017 YJ1 last observation 2017 12 31 2017 BJ30 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3767159 2017 DZ37 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3770154 2017 DV36 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3769919 1998 SL36 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3014117 2017 FT102 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3773057 2014 JO25 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3670721 418094 2007 WV4 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 2418094 2017 KQ27 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3775038 2017 MF orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3775253 2017 NT5 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3776550 2006 SR131 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 3345302 496817 1989 VB orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 2496817 171576 1999 VP11 orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 2171576 444584 2006 UK orbit diagram JPL Small Body Database Jet Propulsion Laboratory SPK ID 2444584 a b NEODyS 2 Ephemerides for 2010XB73 Close Approaches a b c 2010 GZ60 Earth Impact Risk Summary 4 missed virtual impactors Sentry Earth Impact Monitoring Archived from the original on 4 May 2017 Retrieved 7 March 2020 2010 XB73 Earth Impact Risk Summary 2 missed virtual impactors 2010 XB73 Impact Risk Archived from the original on 26 January 2016 Retrieved 28 January 2018 2015 ME131 Earth Impact Risk Summary 2015 ME131 Impact Risk Archived from the original on 1 August 2015 Retrieved 28 January 2018 2015 HV182 Earth Impact Risk Summary 4 missed virtual impactors 2015 HV182 Impact Risk Archived from the original on 3 July 2015 Retrieved 28 January 2018 2008 VS4 Earth Impact Risk Summary 21 missed virtual impactors 2008 VS4 Impact Risk Archived from the original on 17 January 2009 Retrieved 28 January 2018 2007 YM Earth Impact Risk Summary 3 missed virtual impactors 2007 YM Impact Risk Archived from the original on 3 January 2008 Retrieved 28 January 2018 2005 TM173 Earth Impact Risk Summary 17 missed virtual impactors 2005 TM173 Impact Risk Archived from the original on 31 December 2005 Retrieved 28 January 2018 External links editNear Earth object close approaches 30 days within 5 LD JPL Upcoming close approaches to Earth ESA Table of Asteroids Next Closest Approaches to the Earth Sormano Observatory Retrieved from https en wikipedia org w index php title List of asteroid close approaches to Earth in 2017 amp oldid 1221223720, wikipedia, wiki, book, books, library,

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