(15) Eunomia Main-belt Asteroid
Discovered on 29 July 1851 by A. de Gasparis at Naples.
Where Eunomia is today
Seen from above the solar system on 2026-10-14: Eunomia is 3.13 au from the Sun and 4.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15 |
| Provisional designation | A851 OA |
| Orbit class | Main-belt Asteroid |
| Diameter | 232 km (#16 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.248 |
| Rotation period | 6.08 hours |
| Spectral type | S |
| Absolute magnitude (H) | 5.42 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.15 – 3.14 au |
| Eccentricity | 0.188 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. de Gasparis
← (14) Irene · (16) Psyche →