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
Orbital characteristics
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.

[edit] See also

• Aubrite
• 3103 Eger
• 44 Nysa
• 2867 Šteins

[edit] References

1. ^ Asteroid Data Sets

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