Asteroid 57 Mnemosyne
Named after Mnemosyne, a Titaness in Greek mythology.
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This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
| Classification | Main-belt asteroid |
Osculating Orbital Elements
| Epoch | 2453800,5 |
| Semi major axis | 3,1498 AU |
| Period [Julian yrs] | 5,590 Julian years |
| Inclination | 15,200 ° |
| Eccentricity | 0,1184 |
| Lon. of ascending node | 199,344 ° |
| Argument of perihelion | 212,953 ° |
| Passage of perihelion | 2005-Dec-10.963030 |
| Aphelion distance | 3,5226 AU |
| Mean anomaly | 14,993 ° |
Physical Data
| Radius | 56,30 km |
| Rotation period | 12,463 days |
| Absolute magnitude (H) | 7,03 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,817 |
| Geometric albedo | 0,2149 |
| Spectral class | S |
Discovery Circumstances
| Discoverer | Robert Luther |
| Discovered | 1859-09-22 |
Data File
| Data File Name | 57_Mnemosyne.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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