57 Mnemosyne
|
|
| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| 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 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 112.6 km |
| Rotation period 3 (http://charlie.psi.edu/pds/) | 12.463 hours |
| Spectral class | S |
| Abs. magnitude | 7.03 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.215 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | R. Luther, 1859 |
57 Mnemosyne (ni-mos'-i-nee) is a large Main belt asteroid. It is a S-type asteroid, so it has a bright surface and is probably a mixture of iron-nickel and silicates.
It was discovered by R. Luther on September 22, 1859. It is named after Mnemosyne, a Titaness in Greek mythology.
... | Previous asteroid | 57 Mnemosyne | Next asteroid | ...
| The minor planets |
| Vulcanoids | Main belt | Groups and families | Near-Earth objects | Jupiter Trojans |
| Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper belt | Oort cloud |
| (For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system) |
| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |