(2920) Automedon
| Asteroid (2920) Automedon | |
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) | 
| Major semi-axis | 5.1144 AU | 
| eccentricity | 0.0265 | 
| Perihelion - aphelion | 4.9787 AU - 5.25 AU | 
| Inclination of the orbit plane | 21.119 ° | 
| Sidereal period | 11,566 a | 
| Mean orbital velocity | 13.17 km / s | 
| Physical Properties | |
| Medium diameter | approx. 111 km | 
| Dimensions | ? kg | 
| Albedo | 0.04 | 
| Medium density | ? g / cm³ | 
| Rotation period | ? H | 
| Absolute brightness | 9.0 mag | 
| Spectral class | ? | 
| history | |
| Explorer | Edward LG Bowell | 
| Date of discovery | May 3, 1981 | 
| Another name | 1981 JR | 
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(2920) Automedon is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit . (2920) Automedon was discovered by Edward LG Bowell on May 3, 1981 .
The asteroid is named after Automedon , a Greek soldier of the Trojan War.
