94 Aurora

94 Aurora
Discovered by James Craig Watson
Discovery date September 6, 1867
Alternative names  
Minor planet
Main belt
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 513.851 Gm (3.435 AU)
Perihelion 431.319 Gm (2.883 AU)
Semi-major axis 472.585 Gm (3.159 AU)
Eccentricity 0.087
Orbital period 2050.831 d (5.61 a)
Average orbital speed 16.73 km/s
Mean anomaly 239.694°
Inclination 7.966°
Longitude of ascending node 2.709°
Argument of perihelion 59.814°
Physical characteristics
Dimensions 204.9 km
Mass 9.0×1018 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0573 m/s²
Escape velocity 0.1083 km/s
Rotation period ? d
Albedo 0.040 [1]
Temperature ~157 K
Spectral type C
Absolute magnitude 7.57

94 Aurora (aw-ror'-ə, IPA: /ɒˈrɔrə/) is one of the largest main belt asteroids. With an albedo of only 0.04, it is darker than soot, and has a primitive compositions consisting of carbonaecous material. It was discovered by J. C. Watson on September 6, 1867 in Ann Arbor and named after Aurora, the Roman goddess of the dawn. Aurora occulted a dim star on October 12, 2001. A somewhat oval shape was detected. [1]


1. ^ Asteroid Data Sets

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