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104 Klymene
Main-belt asteroid
Main-belt asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| background | #D6D6D6 |
| image | 000104-asteroid shape model (104) Klymene.png |
| caption | 3D convex shape model of 104 Klymene |
| name | 104 Klymene |
| discoverer | James Craig Watson |
| discovered | 13 September 1868 |
| mpc_name | (104) Klymene |
| alt_names | A868 RB, 1893 FA |
| 1951 OE, 1968 OS | |
| pronounced | |
| mp_category | Main belt |
| epoch | 31 July 2016 (JD 2457600.5) |
| orbit_ref | |
| semimajor | 3.15256 AU |
| perihelion | 2.65525 AU |
| aphelion | 3.6499 AU |
| eccentricity | 0.15775 |
| period | 5.60 yr (2044.5 d) |
| inclination | 2.7905° |
| asc_node | 41.698° |
| arg_peri | 32.134° |
| mean_anomaly | 101.498° |
| avg_speed | 16.67 km/s |
| dimensions | (± ) |
| mean_diameter | |
| 133 km | |
| mass | (1.835 ± 0.880/0.495) kg |
| density | 1.633 ± 0.783/0.441 g/cm3 |
| surface_grav | m/s |
| escape_velocity | km/s |
| rotation | 8.984 h |
| spectral_type | C |
| abs_magnitude | 8.58 |
| albedo | |
| single_temperature | ~157 K |
| mean_motion | / day |
| observation_arc | 130.58 yr (47693 d) |
| uncertainty | 0 |
| moid | 1.66901 AU |
| jupiter_moid | 1.63907 AU |
| tisserand | 3.186 |
1951 OE, 1968 OS 133 km
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 orbiting the Sun with a period of 5.60 years and an eccentricity of 0.16. The orbital plane is inclined by 2.8° to the plane of the ecliptic. 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 a sharp feature at a wavelength of 3 μm, and, as of 2015, is the only member of the Themis family found to show this absorption.
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 located near the region of the Themis family but itself considered a background asteroid using HCM-analysis. It is listed as a member of the Hecuba group of asteroids that orbit near the 2:1 mean-motion resonance with Jupiter.
104 Klymene has been observed to occult 6 stars between 2009 and 2023.
Notes
References
References
- Noah Webster (1884) ''A Practical Dictionary of the English Language''
- (2003). "Dictionary of minor planet names". International Astronomical Union. Springer.
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