(1208) Troilus Jupiter Trojan
Discovered on 31 December 1931 by K. Reinmuth at Heidelberg.
Where Troilus is today
Seen from above the solar system on 2026-10-14: Troilus is 5.26 au from the Sun and 4.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1208 |
| Provisional designation | 1931 YA |
| Orbit class | Jupiter Trojan |
| Diameter | 100 km (#233 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0410 |
| Rotation period | 56.2 hours |
| Spectral type | FCU |
| Absolute magnitude (H) | 9.03 |
| Orbital period | 12.0 years |
| Semi-major axis | 5.25 au |
| Perihelion – aphelion | 4.77 – 5.74 au |
| Eccentricity | 0.0924 |
| Inclination | 33.5° |
| Closest distance between its orbit and Earth's (MOID) | 3.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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
← (1207) Ostenia · (1209) Pumma →