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1049 Gotho

January 01, 1970

1049 Gotho, provisional designation 1925 RB, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 53 kilometers in diameter. It was discovered on 14 September 1925, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany.[10] Although the name of the asteroid is a masculine German name, it is not known to refer to a particular individual.[2]

1049 Gotho
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date14 September 1925
Designations
(1049) Gotho
Named after
unknown[2]
1925 RB · A906 DD
main-belt · (outer)[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc91.64 yr (33,470 days)
Aphelion3.5133 AU
Perihelion2.6726 AU
3.0930 AU
Eccentricity0.1359
5.44 yr (1,987 days)
295.00°
0° 10m 52.32s / day
Inclination15.110°
342.86°
41.244°
Physical characteristics
Dimensions51.05 km (derived)[3]
53.56±16.68 km[4]
53.84±19.48 km[5]
54.77±0.76 km[6]
56.296±0.204 km[7]
63.874±0.177 km[8]
8.470±0.007 h[9]
0.0069±0.0005[8]
0.008±0.001[7]
0.03±0.03[4]
0.04±0.06[5]
0.045±0.001[6]
0.0469 (derived)[3]
C[3]
10.30[6] · 10.4[1][3][4] · 10.42[5] · 12.0[8]

Orbit and classification edit

Gotho orbits the Sun in the outer main-belt at a distance of 2.7–3.5 AU once every 5 years and 5 months (1,987 days). Its orbit has an eccentricity of 0.14 and an inclination of 15° with respect to the ecliptic.[1] First identified as A906 DD at Heidelberg in February 1906, the body's observation arc begins much later at Johannesburg in 1952, or 27 years after its official discovery observation.[10]

Physical characteristics edit

Gotho has been characterized as a C-type asteroid.[3]

Lightcurves edit

In April 2010, a rotational lightcurve of Gotho was obtained by astronomer Kenda Albers at the Oakley Southern Sky Observatory, Australia. Lightcurve analysis gave a rotation period of 8.470 hours with a brightness variation of 0.17 magnitude (U=3-).[9]

Diameter and albedo edit

According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Gotho measures between 53.56 and 56.296 kilometers in diameter and its surface has an albedo between 0.008 and 0.045 (without preliminary results).[4][5][6][7] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0469 and a diameter of 51.05 kilometers using an absolute magnitude of 10.4.[3]

Naming edit

For this minor planet, any reference of its name to a person or occurrence is unknown.[2]

Unknown meaning edit

Among the many thousands of named minor planets, Gotho is one of 120 asteroids, for which no official naming citation has been published. All of these low-numbered asteroids have numbers between 164 Eva and 1514 Ricouxa and were discovered between 1876 and the 1930s, predominantly by astronomers Auguste Charlois, Johann Palisa, Max Wolf and Karl Reinmuth.[11]

References edit

  1. ^ a b c d "JPL Small-Body Database Browser: 1049 Gotho (1925 RB)" (2017-05-04 last obs.). Jet Propulsion Laboratory. Retrieved 26 July 2017.
  2. ^ a b c Schmadel, Lutz D. (2007). "(1049) Gotho". Dictionary of Minor Planet Names – (1049) Gotho. Springer Berlin Heidelberg. p. 90. doi:10.1007/978-3-540-29925-7_1050. ISBN 978-3-540-00238-3.
  3. ^ a b c d e f g "LCDB Data for (1049) Gotho". Asteroid Lightcurve Database (LCDB). Retrieved 12 February 2017.
  4. ^ a b c d Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv:1509.02522. Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. S2CID 9341381. Retrieved 12 February 2017.
  5. ^ a b c d Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal. 152 (3): 12. arXiv:1606.08923. Bibcode:2016AJ....152...63N. doi:10.3847/0004-6256/152/3/63.
  6. ^ a b c d Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
  7. ^ a b c Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121. S2CID 119293330. Retrieved 12 February 2017.
  8. ^ a b c Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. S2CID 35447010.
  9. ^ a b Albers, Kenda; Kragh, Katherine; Monnier, Adam; Pligge, Zachary; Stolze, Kellen; West, Josh; et al. (October 2010). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2009 October thru 2010 April". The Minor Planet Bulletin. 37 (4): 152–158. Bibcode:2010MPBu...37..152A. ISSN 1052-8091. Retrieved 12 February 2017.
  10. ^ a b "1049 Gotho (1925 RB)". Minor Planet Center. Retrieved 12 February 2017.
  11. ^ Schmadel, Lutz D. (2007). "Appendix 11 – Minor Planet Names with Unknown Meaning". Dictionary of Minor Planet Names – Fifth Revised and Enlarged revision. Springer Berlin Heidelberg. pp. 927–929. ISBN 978-3-540-00238-3.

External links edit

  • 1049-Gotho-1925-RB, universetoday.com
  • When was the comet or asteroid 1049 Gotho (1925 RB) (Gotho) first and last observed, universetoday.com
  • Asteroid Lightcurve Database (LCDB), query form (info 16 December 2017 at the Wayback Machine)
  • Dictionary of Minor Planet Names, Google books
  • Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
  • Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
  • 1049 Gotho at AstDyS-2, Asteroids—Dynamic Site
    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
  • 1049 Gotho at the JPL Small-Body Database  
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

January 01, 1970
1049, gotho, provisional, designation, 1925, carbonaceous, asteroid, from, outer, region, asteroid, belt, approximately, kilometers, diameter, discovered, september, 1925, german, astronomer, karl, reinmuth, heidelberg, observatory, southwest, germany, althoug. 1049 Gotho provisional designation 1925 RB is a carbonaceous asteroid from the outer region of the asteroid belt approximately 53 kilometers in diameter It was discovered on 14 September 1925 by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany 10 Although the name of the asteroid is a masculine German name it is not known to refer to a particular individual 2 1049 GothoDiscovery 1 Discovered byK ReinmuthDiscovery siteHeidelberg Obs Discovery date14 September 1925DesignationsMPC designation 1049 GothoNamed afterunknown 2 Alternative designations1925 RB A906 DDMinor planet categorymain belt outer 3 Orbital characteristics 1 Epoch 4 September 2017 JD 2458000 5 Uncertainty parameter 0Observation arc91 64 yr 33 470 days Aphelion3 5133 AUPerihelion2 6726 AUSemi major axis3 0930 AUEccentricity0 1359Orbital period sidereal 5 44 yr 1 987 days Mean anomaly295 00 Mean motion0 10m 52 32s dayInclination15 110 Longitude of ascending node342 86 Argument of perihelion41 244 Physical characteristicsDimensions51 05 km derived 3 53 56 16 68 km 4 53 84 19 48 km 5 54 77 0 76 km 6 56 296 0 204 km 7 63 874 0 177 km 8 Synodic rotation period8 470 0 007 h 9 Geometric albedo0 0069 0 0005 8 0 008 0 001 7 0 03 0 03 4 0 04 0 06 5 0 045 0 001 6 0 0469 derived 3 Spectral typeC 3 Absolute magnitude H 10 30 6 10 4 1 3 4 10 42 5 12 0 8 Contents 1 Orbit and classification 2 Physical characteristics 2 1 Lightcurves 2 2 Diameter and albedo 3 Naming 3 1 Unknown meaning 4 References 5 External linksOrbit and classification editGotho orbits the Sun in the outer main belt at a distance of 2 7 3 5 AU once every 5 years and 5 months 1 987 days Its orbit has an eccentricity of 0 14 and an inclination of 15 with respect to the ecliptic 1 First identified as A906 DD at Heidelberg in February 1906 the body s observation arc begins much later at Johannesburg in 1952 or 27 years after its official discovery observation 10 Physical characteristics editGotho has been characterized as a C type asteroid 3 Lightcurves edit In April 2010 a rotational lightcurve of Gotho was obtained by astronomer Kenda Albers at the Oakley Southern Sky Observatory Australia Lightcurve analysis gave a rotation period of 8 470 hours with a brightness variation of 0 17 magnitude U 3 9 Diameter and albedo edit According to the surveys carried out by the Japanese Akari satellite and NASA s Wide field Infrared Survey Explorer with its subsequent NEOWISE mission Gotho measures between 53 56 and 56 296 kilometers in diameter and its surface has an albedo between 0 008 and 0 045 without preliminary results 4 5 6 7 The Collaborative Asteroid Lightcurve Link derives an albedo of 0 0469 and a diameter of 51 05 kilometers using an absolute magnitude of 10 4 3 Naming editFor this minor planet any reference of its name to a person or occurrence is unknown 2 Unknown meaning edit Among the many thousands of named minor planets Gotho is one of 120 asteroids for which no official naming citation has been published All of these low numbered asteroids have numbers between 164 Eva and 1514 Ricouxa and were discovered between 1876 and the 1930s predominantly by astronomers Auguste Charlois Johann Palisa Max Wolf and Karl Reinmuth 11 References edit a b c d JPL Small Body Database Browser 1049 Gotho 1925 RB 2017 05 04 last obs Jet Propulsion Laboratory Retrieved 26 July 2017 a b c Schmadel Lutz D 2007 1049 Gotho Dictionary of Minor Planet Names 1049 Gotho Springer Berlin Heidelberg p 90 doi 10 1007 978 3 540 29925 7 1050 ISBN 978 3 540 00238 3 a b c d e f g LCDB Data for 1049 Gotho Asteroid Lightcurve Database LCDB Retrieved 12 February 2017 a b c d Nugent C R Mainzer A Masiero J Bauer J Cutri R M Grav T et al December 2015 NEOWISE Reactivation Mission Year One Preliminary Asteroid Diameters and Albedos The Astrophysical Journal 814 2 13 arXiv 1509 02522 Bibcode 2015ApJ 814 117N doi 10 1088 0004 637X 814 2 117 S2CID 9341381 Retrieved 12 February 2017 a b c d Nugent C R Mainzer A Bauer J Cutri R M Kramer E A Grav T et al September 2016 NEOWISE Reactivation Mission Year Two Asteroid Diameters and Albedos The Astronomical Journal 152 3 12 arXiv 1606 08923 Bibcode 2016AJ 152 63N doi 10 3847 0004 6256 152 3 63 a b c d Usui Fumihiko Kuroda Daisuke Muller Thomas G Hasegawa Sunao Ishiguro Masateru Ootsubo Takafumi et al October 2011 Asteroid Catalog Using Akari AKARI IRC Mid Infrared Asteroid Survey Publications of the Astronomical Society of Japan 63 5 1117 1138 Bibcode 2011PASJ 63 1117U doi 10 1093 pasj 63 5 1117 online AcuA catalog p 153 a b c Masiero Joseph R Grav T Mainzer A K Nugent C R Bauer J M Stevenson R et al August 2014 Main belt Asteroids with WISE NEOWISE Near infrared Albedos The Astrophysical Journal 791 2 11 arXiv 1406 6645 Bibcode 2014ApJ 791 121M doi 10 1088 0004 637X 791 2 121 S2CID 119293330 Retrieved 12 February 2017 a b c Mainzer A Grav T Masiero J Hand E Bauer J Tholen D et al November 2011 NEOWISE Studies of Spectrophotometrically Classified Asteroids Preliminary Results The Astrophysical Journal 741 2 25 arXiv 1109 6407 Bibcode 2011ApJ 741 90M doi 10 1088 0004 637X 741 2 90 S2CID 35447010 a b Albers Kenda Kragh Katherine Monnier Adam Pligge Zachary Stolze Kellen West Josh et al October 2010 Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory 2009 October thru 2010 April The Minor Planet Bulletin 37 4 152 158 Bibcode 2010MPBu 37 152A ISSN 1052 8091 Retrieved 12 February 2017 a b 1049 Gotho 1925 RB Minor Planet Center Retrieved 12 February 2017 Schmadel Lutz D 2007 Appendix 11 Minor Planet Names with Unknown Meaning Dictionary of Minor Planet Names Fifth Revised and Enlarged revision Springer Berlin Heidelberg pp 927 929 ISBN 978 3 540 00238 3 External links edit1049 Gotho 1925 RB universetoday com When was the comet or asteroid 1049 Gotho 1925 RB Gotho first and last observed universetoday com Asteroid Lightcurve Database LCDB query form info Archived 16 December 2017 at the Wayback Machine Dictionary of Minor Planet Names Google books Asteroids and comets rotation curves CdR Observatoire de Geneve Raoul Behrend Discovery Circumstances Numbered Minor Planets 1 5000 Minor Planet Center 1049 Gotho at AstDyS 2 Asteroids Dynamic Site Ephemeris Observation prediction Orbital info Proper elements Observational info 1049 Gotho at the JPL Small Body Database nbsp Close approach Discovery Ephemeris Orbit diagram Orbital elements Physical parameters Retrieved from https en wikipedia org w index php title 1049 Gotho amp oldid 1191753591, wikipedia, wiki, book, books, library,

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