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Main-belt asteroid From Wikipedia, the free encyclopedia
75 Eurydike is a large main-belt asteroid. It has an M-type spectrum and a relatively high albedo and may be rich in nickel-iron.[5] Eurydike was discovered by German-American astronomer C. H. F. Peters on September 22, 1862. It was second of his numerous asteroid discoveries and is named after Eurydice, the wife of Orpheus. The asteroid is orbiting the Sun for a period of 4.37 years and completes a rotation about its axis every 5.4 hours.
 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Christian Heinrich Friedrich Peters |
| Discovery date | September 22, 1862 |
| Designations | |
| (75) Eurydike | |
| Pronunciation | /jʊˈrɪdɪkiː/[1] |
Named after | Eurydice |
| Main belt | |
| Adjectives | Eurydikean /ˌjʊərɪdɪˈkiːən/ |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 521.874 Gm (3.489 AU) |
| Perihelion | 278.028 Gm (1.858 AU) |
| 399.951 Gm (2.674 AU) | |
| Eccentricity | 0.305 |
| 1596.687 d (4.37 a) | |
Average orbital speed | 17.79 km/s |
| 26.318° | |
| Inclination | 5.002° |
| 359.481° | |
| 339.566° | |
| Physical characteristics | |
| Dimensions | 62.377 ± 1.603 km[2] |
| Mass | (4.46 ± 2.06/1.06)×1017 kg[3] |
Mean density | 3.511 ± 1.618/0.837 g/cm3[3] |
| 5.357 h[2] | |
| 0.149[4] | |
| M[5] | |
| 9.29[2] | |
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