| Asteroid Number | 2920 | | Asteroid Group | Trojans | | Asteroid Family | Greek node | | Composition Class | D-type, C-type (carbonaceous) | | Orbital Period | 11 years, 197 days | | Distance from the Sun | Semi-Major Axis: 764,837,000 km (5.11 AU)
Perihelion: 743,411,000 km (4.97 AU)
Aphelion: 786,263,000 km (5.26 AU) | | Eccentricity | 0.0280 | | Diameter (Mean) | 89 km | | Notes | Automedon is a Trojan asteroid of Jupiter, preceding that giant planet along its orbit by sixty degrees (and with significant orbital inclination). This is a body belonging to the dark D-type asteroid classification, an otherwise relatively rare type that is found most commonly among Trojans like Automedon. |
An asteroid some 89 km in diameter that pursues a twelve-year orbit around the Sun far beyond the farthest edge of the main Asteroid Belt. In fact, its orbit is similar to that of Jupiter, but inclined by 21° to the plane of the ecliptic.
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