(17492) Hippasos Jupiter Trojan
Discovered on 10 December 1991 by F. Borngen at Tautenburg.
Hippasos was one of Priam's many sons. He supported Aeneas in the Trojan war.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hippasos is today
Seen from above the solar system on 2026-10-14: Hippasos is 5.51 au from the Sun and 5.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17492 |
| Provisional designation | 1991 XG1 |
| Orbit class | Jupiter Trojan |
| Diameter | 54.0 km (#668 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0660 |
| Rotation period | 17.7 hours |
| Absolute magnitude (H) | 10.04 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.21 au |
| Perihelion – aphelion | 4.85 – 5.58 au |
| Eccentricity | 0.0699 |
| Inclination | 29.1° |
| Closest distance between its orbit and Earth's (MOID) | 3.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.