55 Pandora
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "55_Pandora".

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55 Pandora
Discovery
Discovered by George Mary Searle
Discovery date September 10, 1858
Designations
Alternate name  
Minor planet
category		 Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 472.382 Gm (3.158 AU)
Perihelion 352.887 Gm (2.359 AU)
Semi-major axis 412.635 Gm (2.758 AU)
Eccentricity 0.145
Orbital period 1673.243 d (4.58 a)
Average orbital speed 17.84 km/s
Mean anomaly 114.993°
Inclination 7.185°
Longitude of ascending node 10.537°
Argument of perihelion 4.231°
Physical characteristics
Dimensions 66.7 km
Mass 3.1×1017 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0186 m/s²
Escape velocity 0.0353 km/s
Rotation period ? d
Albedo 0.301 1
Temperature ~168 K
Spectral type E
Absolute magnitude (H) 7.8

55 Pandora is an extremely large and very bright Main belt asteroid. Pandora was discovered by G. Searle on September 10, 1858. It was his first and only asteroid discovery. It is named after Pandora, the first woman in Greek mythology. Not to be confused with Saturn's moon Pandora.

Recent analysis has identified it as the second-largest of the E-type asteroids, after 44 Nysa.

See also

References

  1. ^ Asteroid Data Sets
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