| Asteroid Number | 37 | | Asteroid Group | Main Asteroid Belt | | Asteroid Family | Not applicable | | Composition Class | S-type (stony) | | Orbital Period | 4 years, 109 days | | Distance from the Sun | Semi-Major Axis: 395,433,000 km (2.64 AU)
Perihelion: 326,057,000 km (2.18 AU)
Aphelion: 464,809,000 km (3.11 AU) | | Eccentricity | 0.1754 | | Diameter (Mean) | 108 km | | Notes | As it rotates on its axis over an estimated seven hours and twenty minutes, the light reflected by Fides changes in dramatic and unusual patterns. The significance of this fact is not yet fully understood, but it may indicate that the asteroid shows an unusual surface topology, or possibly even that it is binary in nature. |
|
|
