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75 Eurydike
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| 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.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 75 Eurydike | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.