(12126) Chersidamas Jupiter Trojan

Discovered on 7 September 1999 by LINEAR at Socorro.

Chersidamas was a son of King Priam of Troy who was speared by Odysseus as described in Book XI of the Iliad.Naming citation (WGSBN Bull. 5, #5, 21), IAU / Minor Planet Center, via NASA/JPL

Where Chersidamas is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterChersidamasChersidamas

Seen from above the solar system on 2026-10-14: Chersidamas is 5.87 au from the Sun and 5.31 au from Earth. Computed from JPL's orbital elements.

Facts

Number12126
Provisional designation1999 RM11
Orbit classJupiter Trojan
Diameter53.2 km (#683 largest of 17,440 named asteroids with a measured size)
Albedo0.0450
Absolute magnitude (H)10.14
Orbital period11.9 years
Semi-major axis5.21 au
Perihelion – aphelion4.13 – 6.30 au
Eccentricity0.208
Inclination2.04°
Closest distance between its orbit and Earth's (MOID)3.11 au

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

Also discovered on 7 September 1999

More named asteroids discovered by LINEAR