(37) Fides Main-belt Asteroid
Discovered on 5 October 1855 by R. Luther at Dusseldorf.
Where Fides is today
Seen from above the solar system on 2026-10-14: Fides is 2.88 au from the Sun and 2.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 37 |
| Provisional designation | A855 TB |
| Orbit class | Main-belt Asteroid |
| Diameter | 108 km (#203 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.183 |
| Rotation period | 7.33 hours |
| Spectral type | S |
| Absolute magnitude (H) | 7.29 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.18 – 3.10 au |
| Eccentricity | 0.175 |
| Inclination | 3.07° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 October 1855
More named asteroids discovered by R. Luther
- (17) Thetis
- (26) Proserpina
- (28) Bellona
- (35) Leukothea
- (47) Aglaja
- (53) Kalypso
- (57) Mnemosyne
- (58) Concordia
- (68) Leto
- (71) Niobe
- (78) Diana
- (82) Alkmene
← (36) Atalante · (38) Leda →