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Mneme (moon)

Mneme /ˈnm/, also known as Jupiter XL, is a retrograde irregular satellite of Jupiter. It was discovered by teams of astronomers led by Brett J. Gladman and Scott S. Sheppard in 2003, and was provisionally designated S/2003 J 21.[3][4]

Mneme
Discovery image of Mneme (centered) from February 2003
Discovery
Discovered byBrett J. Gladman et al.
Scott S. Sheppard et al.
Discovery date9 February 2003
Designations
Designation
Jupiter XL
Pronunciation/ˈnm/[1]
Named after
Μνήμη Mnēmē
S/2003 J 21
AdjectivesMnemean /nɛˈmən/
Orbital characteristics[2]
21069000 km
Eccentricity0.227
−620.0 days
338.9°
Inclination148.6°
18.1°
41.7°
Satellite ofJupiter
GroupAnanke group
Physical characteristics
Mean diameter
2 km
23.3

Mneme is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 21,427,000 kilometres in 640.769 days, at an inclination of 149° to the ecliptic (148° to Jupiter's equator) with an eccentricity of 0.2214. Its average orbital speed is 2.43 km/s.

It was named in March 2005 after Mneme, one of the three original Muses.[5] She is sometimes confused with Mnemosyne, mother of the Muses (the three or the nine, depending on the author) by Zeus (Jupiter).

Mneme belongs to the Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 million kilometres, at inclinations of roughly 150°.

References edit

  1. ^ "Mneme". Dictionary.com Unabridged (Online). n.d.
  2. ^ S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
  3. ^ IAUC 8138: S/2003 J 21 2003 May 30 (discovery)
  4. ^ MPEC 2003-K45: S/2003 J 21 2003 May 29 (discovery and ephemeris)
  5. ^ IAUC 8502: Satellites of Jupiter 2005 March 30 (naming the moon)

mneme, moon, mneme, also, known, jupiter, retrograde, irregular, satellite, jupiter, discovered, teams, astronomers, brett, gladman, scott, sheppard, 2003, provisionally, designated, 2003, mnemediscovery, image, mneme, centered, from, february, 2003discoverydi. Mneme ˈ n iː m iː also known as Jupiter XL is a retrograde irregular satellite of Jupiter It was discovered by teams of astronomers led by Brett J Gladman and Scott S Sheppard in 2003 and was provisionally designated S 2003 J 21 3 4 MnemeDiscovery image of Mneme centered from February 2003DiscoveryDiscovered byBrett J Gladman et al Scott S Sheppard et al Discovery date9 February 2003DesignationsDesignationJupiter XLPronunciation ˈ n iː m iː 1 Named afterMnhmh MnemeAlternative namesS 2003 J 21AdjectivesMnemean n ɛ ˈ m iː e n Orbital characteristics 2 Semi major axis21069 000 kmEccentricity0 227Orbital period sidereal 620 0 daysMean anomaly338 9 Inclination148 6 Longitude of ascending node18 1 Argument of perihelion41 7 Satellite ofJupiterGroupAnanke groupPhysical characteristicsMean diameter2 kmApparent magnitude23 3 Mneme is about 2 kilometres in diameter and orbits Jupiter at an average distance of 21 427 000 kilometres in 640 769 days at an inclination of 149 to the ecliptic 148 to Jupiter s equator with an eccentricity of 0 2214 Its average orbital speed is 2 43 km s It was named in March 2005 after Mneme one of the three original Muses 5 She is sometimes confused with Mnemosyne mother of the Muses the three or the nine depending on the author by Zeus Jupiter Mneme belongs to the Ananke group retrograde irregular moons which orbit Jupiter between 19 3 and 22 7 million kilometres at inclinations of roughly 150 References edit Mneme Dictionary com Unabridged Online n d S S Sheppard 2019 Moons of Jupiter Carnegie Science on line IAUC 8138 S 2003 J 21 2003 May 30 discovery MPEC 2003 K45 S 2003 J 21 2003 May 29 discovery and ephemeris IAUC 8502 Satellites of Jupiter 2005 March 30 naming the moon Retrieved from https en wikipedia org w index php title Mneme moon amp oldid 1195675403, wikipedia, wiki, book, books, library,

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