121 Hermione
Use attributes for filter ! | |
Radius | 95 km |
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Orbital period | 2,338 days |
Discovered | May 12, 1872 |
Equatorial escape velocity | 0. 075 km/s |
Orbits | Sun |
Moon | S/2002 (121) 1 |
Date of Reg. | |
Date of Upd. | |
ID | 2196833 |
About 121 Hermione
Hermione is a very large binary asteroid discovered in 1872. It orbits in the Cybele group in the far outer asteroid belt. As an asteroid of the dark C spectral type, it is probably composed of carbonaceous materials. In 2002, a small moon was found to be orbiting Hermione.