(4902) Thessandrus Jupiter Trojan
Discovered on 9 January 1989 by C. S. Shoemaker at Palomar.
Where Thessandrus is today
Seen from above the solar system on 2026-10-14: Thessandrus is 5.26 au from the Sun and 6.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4902 |
| Provisional designation | 1989 AN2 |
| Orbit class | Jupiter Trojan |
| Diameter | 51.3 km (#720 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0810 |
| Rotation period | 738 hours |
| Absolute magnitude (H) | 9.84 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.20 au |
| Perihelion – aphelion | 4.98 – 5.42 au |
| Eccentricity | 0.0428 |
| Inclination | 9.08° |
| Closest distance between its orbit and Earth's (MOID) | 4.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.