(12974) Halitherses Jupiter Trojan

Discovered on 19 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Halitherses was an augur in Ithaca. He went together with Telemachos to search for Odysseus. He was also a friend of Odysseus himself.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Halitherses is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterHalithersesHalitherses

Seen from above the solar system on 2026-10-14: Halitherses is 5.45 au from the Sun and 6.44 au from Earth. Computed from JPL's orbital elements.

Facts

Number12974
Provisional designation1973 SB2
Orbit classJupiter Trojan
Diameter24.7 km (#1,711 largest of 17,440 named asteroids with a measured size)
Albedo0.0870
Rotation period6.97 hours
Absolute magnitude (H)11.43
Orbital period11.8 years
Semi-major axis5.19 au
Perihelion – aphelion4.93 – 5.46 au
Eccentricity0.0510
Inclination7.60°
Closest distance between its orbit and Earth's (MOID)3.93 au

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

Also discovered on 19 September 1973

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