75 Eurydike

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75 Eurydike
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.

[edit] References

  1. ^ http://www.psi.edu/pds/resource/albedo.html
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