(3090) Tjossem Main-belt Asteroid
Discovered on 4 January 1982 by J. Gibson at Palomar.
Where Tjossem is today
Seen from above the solar system on 2026-10-14: Tjossem is 3.14 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3090 |
| Provisional designation | 1982 AN |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.3 km (#3,299 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.124 |
| Rotation period | 42.9 hours |
| Spectral type | Cg |
| Absolute magnitude (H) | 13.19 |
| Orbital period | 5.65 years |
| Semi-major axis | 3.17 au |
| Perihelion – aphelion | 2.94 – 3.40 au |
| Eccentricity | 0.0732 |
| Inclination | 9.56° |
| Closest distance between its orbit and Earth's (MOID) | 1.94 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.