(5285) Krethon Jupiter Trojan
Discovered on 9 March 1989 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
Where Krethon is today
Seen from above the solar system on 2026-10-14: Krethon is 5.46 au from the Sun and 6.36 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5285 |
| Provisional designation | 1989 EO11 |
| Orbit class | Jupiter Trojan |
| Diameter | 49.6 km (#759 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0790 |
| Rotation period | 12.0 hours |
| Absolute magnitude (H) | 10.12 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.20 au |
| Perihelion – aphelion | 4.94 – 5.46 au |
| Eccentricity | 0.0502 |
| Inclination | 25.1° |
| Closest distance between its orbit and Earth's (MOID) | 4.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.