(189004) Capys Jupiter Trojan

Discovered on 16 October 1977 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Capys was the son of Assaracus and the father of the Anchises. He was the grandfather of the Trojan hero Aeneas.Naming citation (20081212/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Capys is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterCapysCapys

Seen from above the solar system on 2026-10-14: Capys is 4.85 au from the Sun and 4.33 au from Earth. Computed from JPL's orbital elements.

Facts

Number189004
Provisional designation3184 T-3
Orbit classJupiter Trojan
Absolute magnitude (H)13.61
Orbital period11.8 years
Semi-major axis5.17 au
Perihelion – aphelion4.42 – 5.93 au
Eccentricity0.145
Inclination17.1°
Closest distance between its orbit and Earth's (MOID)3.43 au

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

Also discovered on 16 October 1977

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