|Discovered by||James Craig Watson|
|Discovery date||September 13, 1868|
|Minor planet category||Main belt|
|Epoch December 31, 2006 (JD 2454100.5)|
|Aphelion||544.012 Gm (3.636 AU)|
|Perihelion||399.428 Gm (2.670 AU)|
|471.720 Gm (3.153 AU)|
Average orbital speed
104 Klymene is a large, dark Themistian asteroid that was discovered by J. C. Watson on September 13, 1868, and named after one of the many Clymenes in Greek mythology. It is classified as a C-type asteroid, indicating it probably has a carbonaceous composition. The spectra indicates the presence of aqueous-altered minerals on the surface.
Based upon measurements made using adaptive optics at the W. M. Keck Observatory, this object may have a bi-lobed shape with a length of 163 ± 3 km and width of 103 ± 5 km, for an average dimension of 133 km. This asteroid is a member of the Themis family of asteroids that share similar orbital elements. It is listed as a member of the Hecuba group of asteroids that orbit near the 2:1 mean-motion resonance with Jupiter.
- Yeomans, Donald K., 104 Klymene, JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-25.
- Dictionary of minor planet names. p. 25. International Astronomical Union. 2003. Springer
- Fornasier, S. et al. (February 1999), Spectroscopic comparison of aqueous altered asteroids with CM2 carbonaceous chondrite meteorites, Astronomy and Astrophysics Supplement Series 135 (1): 65–73, Bibcode:1999A&AS..135...65F, doi:10.1051/aas:1999161.
- Marchis, F. et al. (November 2006), Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey, Icarus 185 (1): 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813.
- Moore, Patrick; Rees, Robin, eds. (2011), Patrick Moore's Data Book of Astronomy, Patrick Moore's Data Book of Astronomy by Patrick Moore and Robin Rees. Cambridge University Press (2nd ed.) (Cambridge University Press): 165, Bibcode:2011pmdb.book.....M, ISBN 9781139495226.
- McDonald, Sophia Levy (June 1948), General perturbations and mean elements, with representations of 35 minor planets of the Hecuba group, Astronomical Journal 53: 199, Bibcode:1948AJ.....53..199M, doi:10.1086/106097.
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