(399) Persephone Main-belt Asteroid
Discovered on 23 February 1895 by M. F. Wolf at Heidelberg.
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Where Persephone is today
Seen from above the solar system on 2026-10-14: Persephone is 3.22 au from the Sun and 2.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 399 |
| Provisional designation | A895 DD |
| Orbit class | Main-belt Asteroid |
| Diameter | 39.6 km (#985 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.311 |
| Rotation period | 9.14 hours |
| Spectral type | X |
| Absolute magnitude (H) | 8.91 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.81 – 3.29 au |
| Eccentricity | 0.0774 |
| Inclination | 13.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by M. F. Wolf
- (323) Brucia
- (325) Heidelberga
- (328) Gudrun
- (329) Svea
- (330) Adalberta
- (332) Siri
- (333) Badenia
- (334) Chicago
- (339) Dorothea
- (340) Eduarda
- (341) California
- (342) Endymion
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