(647) Adelgunde Main-belt Asteroid
Discovered on 11 September 1907 by A. Kopff at Heidelberg.
Where Adelgunde is today
Seen from above the solar system on 2026-10-14: Adelgunde is 2.00 au from the Sun and 1.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 647 |
| Provisional designation | A907 RM |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.72 km (#5,258 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.508 |
| Rotation period | 32.2 hours |
| Spectral type | X |
| Absolute magnitude (H) | 11.18 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.97 – 2.91 au |
| Eccentricity | 0.193 |
| Inclination | 7.32° |
| Closest distance between its orbit and Earth's (MOID) | 0.985 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 September 1907
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
← (646) Kastalia · (648) Pippa →