Eunomia family (of asteroids)
Location and structure of the Eunomia family.
The Eunomia family is a small family of S-type and C-type asteroids that orbit in the middle of the main asteroid belt at a mean distance from the Sun of 2.6 to 2.7 astronomical unis and a mean inclination of 12°. The prototype and largest member is 15 Eunomia, discovered in 1851 by Annibale de Gasparis (1819–1892) in Naples.
| Data for 15 Eunomia | |
|---|---|
| diameter | 272 km |
| spectral class | S |
| semimajor axis | 2.644 AU |
| perihelion | 2.151 AU |
| aphelion | 3.136 AU |
| eccentricity | 0.186 |
| inclination | 11.75° |
| period | 4.30 years |
