(53) Kalypso Main-belt Asteroid
Discovered on 4 April 1858 by R. Luther at Dusseldorf.
Where Kalypso is today
Seen from above the solar system on 2026-10-14: Kalypso is 2.15 au from the Sun and 1.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 53 |
| Provisional designation | A858 GA |
| Orbit class | Main-belt Asteroid |
| Diameter | 97.3 km (#245 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0280 |
| Rotation period | 9.04 hours |
| Spectral type | XC |
| Absolute magnitude (H) | 8.88 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.09 – 3.15 au |
| Eccentricity | 0.203 |
| Inclination | 5.18° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by R. Luther
- (17) Thetis
- (26) Proserpina
- (28) Bellona
- (35) Leukothea
- (37) Fides
- (47) Aglaja
- (57) Mnemosyne
- (58) Concordia
- (68) Leto
- (71) Niobe
- (78) Diana
- (82) Alkmene
← (52) Europa · (54) Alexandra →