(4648) Tirion Main-belt Asteroid
Discovered on 18 October 1931 by K. Reinmuth at Heidelberg.
Where Tirion is today
Seen from above the solar system on 2026-10-14: Tirion is 2.84 au from the Sun and 3.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4648 |
| Provisional designation | 1931 UE |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.0 km (#5,088 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0640 |
| Absolute magnitude (H) | 13.36 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.95 – 2.84 au |
| Eccentricity | 0.186 |
| Inclination | 9.81° |
| Closest distance between its orbit and Earth's (MOID) | 0.982 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 October 1931
More named asteroids discovered by K. Reinmuth
- (796) Sarita
- (799) Gudula
- (864) Aase
- (909) Ulla
- (910) Anneliese
- (911) Agamemnon
- (913) Otila
- (918) Itha
- (920) Rogeria
- (921) Jovita
- (922) Schlutia
- (923) Herluga
← (4647) Syuji · (4649) Sumoto →