(657) Gunlod Main-belt Asteroid
Discovered on 23 January 1908 by A. Kopff at Heidelberg.
Where Gunlod is today
Seen from above the solar system on 2026-10-14: Gunlod is 2.32 au from the Sun and 3.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 657 |
| Provisional designation | A908 BK |
| Orbit class | Main-belt Asteroid |
| Diameter | 39.4 km (#992 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0440 |
| Rotation period | 15.7 hours |
| Absolute magnitude (H) | 11.32 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.32 – 2.91 au |
| Eccentricity | 0.112 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.34 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 23 January 1908
More named asteroids discovered by A. Kopff
- (579) Sidonia
- (582) Olympia
- (584) Semiramis
- (585) Bilkis
- (589) Croatia
- (591) Irmgard
- (593) Titania
- (595) Polyxena
- (596) Scheila
- (606) Brangane
- (607) Jenny
- (608) Adolfine
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