(65590) Archeptolemos Jupiter Trojan

Discovered on 17 October 1977 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Archeptolemos, the charioteer of Hector, was killed by Teucer with the help of the god Apollo.Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Archeptolemos is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterArcheptolemosArcheptolemos

Seen from above the solar system on 2026-10-14: Archeptolemos is 5.35 au from the Sun and 4.45 au from Earth. Computed from JPL's orbital elements.

Facts

Number65590
Provisional designation1305 T-3
Orbit classJupiter Trojan
Diameter20.3 km (#2,172 largest of 17,440 named asteroids with a measured size)
Albedo0.0520
Rotation period65.6 hours
Absolute magnitude (H)12.1
Orbital period11.8 years
Semi-major axis5.19 au
Perihelion – aphelion5.03 – 5.35 au
Eccentricity0.0306
Inclination8.04°
Closest distance between its orbit and Earth's (MOID)4.03 au

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

Also discovered on 17 October 1977

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.