47 Aglaja

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47 Aglaja
Discovery
Discovered by Karl Theodor Robert Luther
Discovery date September 15, 1857
Designations
Alternative names  
Minor planet
category		 Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 488.740 Gm (3.267 AU)
Perihelion 372.222 Gm (2.488 AU)
Semi-major axis 430.481 Gm (2.878 AU)
Eccentricity 0.135
Orbital period 1782.960 d (4.88 a)
Average orbital speed 17.48 km/s
Mean anomaly 225.007°
Inclination 4.985°
Longitude of ascending node 3.244°
Argument of perihelion 314.589°
Physical characteristics
Dimensions 127.0 km
Mass 2.1×1018 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0355 m/s²
Escape velocity 0.0671 km/s
Rotation period ? d
Albedo 0.080 [1]
Temperature ~164 K
Spectral type C
Absolute magnitude 7.84

47 Aglaja (IPA: /əˈglaɪə/) is a large, dark main belt asteroid. It was discovered by R. Luther on September 15, 1857. It is named after Aglaea, one of the Charites in Greek mythology.

[edit] References

  1. ^ Asteroid Data Sets
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