31 Euphrosyne Guide, Meaning , Facts, Information and Description
| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 3.149 AU |
| Perihelion distance | 2.436 AU |
| Aphelion distance | 3.862 AU |
| Orbital period | 5.59 years |
| Inclination | 26.32° |
| Eccentricity | 0.226 |
| Physical characteristics 1 | |
| Diameter | 255.9 km |
| Rotation period 3 | 5.531 hours |
| Abs. magnitude | 6.74 |
| History 2 | |
| Discoverer | J. Ferguson, 1854 |
31 Euphrosyne ("you FROSS uh nee") is one of the largest main belt asteroids.
Euphrosyne was discovered by J. Ferguson on September 1, 1854. It was the first asteroid found in North America. It is named after Euphrosyne, one of the Charites in Greek mythology.
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