134 Sophrosyne
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.564 AU |
| Perihelion distance | 2.264 AU |
| Aphelion distance | 2.864 AU |
| Orbital period | 4.10 years |
| Inclination | 11.59° |
| Eccentricity | 0.117 |
| Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 123.3 km |
| Rotation period | 17.196 hours |
| Spectral class | C |
| Abs. magnitude | 8.76 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.036 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | R. Luther, 1873 |
134 Sophrosyne is a large main belt asteroid. It has an exceedingly dark surface and most likely a primitive carbonaceous composition.
It was discovered by Robert Luther on September 27, 1873, and is named after the concept of sophrosyne, Plato's term for 'moderation'.
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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |