79 Eurynome
Main-belt asteroid
From Wikipedia, the free encyclopedia
79 Eurynome is a quite large and bright main-belt asteroid composed of silicate rock. Eurynome was discovered by J. C. Watson on September 14, 1863. It was his first asteroid discovery and is named after one of the many Eurynomes in Greek mythology. It is orbiting the Sun with a period of 3.82 years and has a rotation period of six hours. This is the eponymous member of a proposed asteroid family with at least 43 members, including 477 Italia and 917 Lyka.[4]
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A three-dimensional model of 79 Eurynome based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | James Craig Watson |
| Discovery date | September 14, 1863 |
| Designations | |
| (79) Eurynome | |
| Pronunciation | /jÊËrɪnÉmiË/[1] |
Named after | Eurynome |
| Main belt | |
| Adjectives | Eurynomean,[2] Eurynomian |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 435.949 million km (2.914 AU) |
| Perihelion | 295.538 million km (1.976 AU) |
| 365.743 million km (2.445 AU) | |
| Eccentricity | 0.192 |
| 1396.288 d (3.82 a) | |
Average orbital speed | 18.87 km/s |
| 149.498° | |
| Inclination | 4.622° |
| 206.802° | |
| 200.384° | |
| Physical characteristics | |
| Dimensions | 66.5 km |
| 5.978 h | |
| 0.262[3] | |
| S | |
| 9.35 (brightest) | |
| 7.96 | |
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