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78 Diana
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78 Diana

78 Diana
Orbital characteristics 1
Orbit type Main belt
Semimajor axis 2.619 AU
Perihelion distance 2.075 AU
Aphelion distance 3.164 AU
Orbital period 4.24 years
Inclination 8.69°
Eccentricity 0.208
Physical characteristics 1
Diameter 120.6 km
Rotation period 3 7.225 hours
Spectral class C
Abs. magnitude 8.09
Albedo 4 0.071
History 2
Discoverer R. Luther, 1863

78 Diana is a large and dark Main belt asteroid. Its composition is carbonaceous and primitive.

It was discovered by R. Luther on March 15, 1863.

78 Diana occulted a star on September 4, 1980. A diameter of 116 km was measured, closely matching the value given by the IRAS satellite.

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