57 Mnemosyne
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| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 3.150 AU |
| Perihelion distance | 2.776 AU |
| Aphelion distance | 3.523 AU |
| Orbital period | 5.59 years |
| Inclination | 15.20° |
| Eccentricity | 0.119 |
| Physical characteristics 1 | |
| Diameter | 112.6 km |
| Rotation period 3 | 12.463 hours |
| Spectral class | S |
| Abs. magnitude | 7.03 |
| Albedo 4 | 0.215 |
| History 2 | |
| Discoverer | R. Luther, 1859 |
57 Mnemosyne (ni-mos'-i-nee) is a large Main belt asteroid. It is a S-type asteroid.
It was discovered by R. Luther on September 22, 1859. It is named after Mnemosyne, a Titaness in Greek mythology.
[edit] Aspects
| Minor planets | ||
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| Previous minor planet | 57 Mnemosyne | Next minor planet |
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| Vulcanoids | Near-Earth asteroids | Main belt | Jupiter Trojans | Centaurs | Damocloids | Comets | Trans-Neptunians (Kuiper belt · Scattered disc · Oort cloud) |
| 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. |
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