121 Hermione
| Use attributes for filter ! | |
| Radius | 95 km |
|---|---|
| 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.