(54) Alexandra Main-belt Asteroid
Discovered on 10 September 1858 by H. Goldschmidt at Paris.
👶 Alexandra as a baby name🐶 Alexandra as a dog name
Where Alexandra is today
Seen from above the solar system on 2026-10-14: Alexandra is 2.91 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 54 |
| Provisional designation | A858 RA |
| Orbit class | Main-belt Asteroid |
| Diameter | 160 km (#69 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Rotation period | 7.02 hours |
| Spectral type | C |
| Absolute magnitude (H) | 7.94 |
| Orbital period | 4.46 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.17 – 3.25 au |
| Eccentricity | 0.199 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 September 1858
More named asteroids discovered by H. Goldschmidt
- (21) Lutetia
- (32) Pomona
- (36) Atalante
- (40) Harmonia
- (41) Daphne
- (44) Nysa
- (45) Eugenia
- (48) Doris
- (49) Pales
- (52) Europa
- (56) Melete
- (61) Danae
← (53) Kalypso · (55) Pandora →