75 Eurydike
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Discovery | |
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Discovered by: | Christian Heinrich Friedrich Peters |
Discovery date: | September 22, 1862 |
Alternative names: | |
Minor planet category: | Main belt |
Orbital characteristics | |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion distance: | 521.874 Gm (3.489 AU) |
Perihelion distance: | 278.028 Gm (1.858 AU) |
Semi-major axis: | 399.951 Gm (2.674 AU) |
Eccentricity: | 0.305 |
Orbital period: | 1596.687 d (4.37 a) |
Avg. orbital speed: | 17.79 km/s |
Mean anomaly: | 26.318° |
Inclination: | 5.002° |
Longitude of ascending node: | 359.481° |
Argument of perihelion: | 339.566° |
Physical characteristics | |
Dimensions: | 55.7 km |
Mass: | 1.8×1017 kg |
Mean density: | ? g/cm³ |
Equatorial surface gravity: | 0.0156 m/s² |
Escape velocity: | 0.0294 km/s |
Rotation period: | ? d |
Albedo: | 0.149 [1] |
Temperature: | ~170 K |
Spectral type: | M |
Absolute magnitude: | 8.96 |
75 Eurydike (ew-rid'-i-kee) is a main belt asteroid. It has an M-type spectrum and a relatively high albedo and may be rich in nickel-iron. Eurydike was discovered by C. H. F. Peters on September 22, 1862. It was second of his numerous asteroid discoveries. It is named after Eurydice, the wife of Orpheus.
[edit] References
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For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.