Asteroid 197 Arete
Named after Queen Arete of Scheria, a queen of the Phaeacians, wife of Alcinous and mother of Nausicaa and Laodamas. She welcomed Odysseus and treated him hospitably.
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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 | 2,7425 AU |
| Period [Julian yrs] | 4,542 Julian years |
| Inclination | 8,790 ° |
| Eccentricity | 0,1606 |
| Lon. of ascending node | 81,689 ° |
| Argument of perihelion | 245,847 ° |
| Passage of perihelion | 2007-Mar-30.398843 |
| Aphelion distance | 3,1831 AU |
| Mean anomaly | 275,495 ° |
Physical Data
| Radius | 14,59 km |
| Rotation period | 6,54 days |
| Absolute magnitude (H) | 9,18 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,908 |
| Geometric albedo | 0,4417 |
| Spectral class | S |
Discovery Circumstances
| Discoverer | Johann Palisa |
| Discovered | 1879-05-21 |
Data File
| Data File Name | 197_Arete.aed |
| Data File Date | 2006-12-22 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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