(91) Aegina Main-belt Asteroid
Discovered on 4 November 1866 by E. Stephan at Marseilles.
Where Aegina is today
Seen from above the solar system on 2026-10-14: Aegina is 2.63 au from the Sun and 3.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 91 |
| Provisional designation | A866 VA |
| Orbit class | Main-belt Asteroid |
| Diameter | 103 km (#218 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0480 |
| Rotation period | 6.03 hours |
| Spectral type | CP |
| Absolute magnitude (H) | 9.12 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.31 – 2.87 au |
| Eccentricity | 0.108 |
| Inclination | 2.10° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by E. Stephan
← (90) Antiope · (92) Undina →