78 Diana
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| 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 (dye-an'-a) is a large and dark main belt asteroid. Its composition is carbonaceous and primitive.
It was discovered by Robert Luther on March 15, 1863 and named after Diana, Roman goddess of the hunt.
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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| Previous minor planet | 78 Diana | Next minor planet |
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| For other objects and regions, see: asteroid groups and families, binary asteroids, asteroid moons and the Solar system For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. |
