(2920) Automedon Jupiter Trojan

Discovered on 3 May 1981 by E. Bowell at Anderson Mesa.

Where Automedon is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterAutomedonAutomedon

Seen from above the solar system on 2026-10-14: Automedon is 5.20 au from the Sun and 6.18 au from Earth. Computed from JPL's orbital elements.

Facts

Number2920
Provisional designation1981 JR
Orbit classJupiter Trojan
Diameter88.6 km (#303 largest of 17,440 named asteroids with a measured size)
Albedo0.0680
Rotation period10.2 hours
Absolute magnitude (H)8.83
Orbital period11.6 years
Semi-major axis5.12 au
Perihelion – aphelion4.98 – 5.26 au
Eccentricity0.0273
Inclination21.1°
Closest distance between its orbit and Earth's (MOID)3.99 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 3 May 1981

More named asteroids discovered by E. Bowell