Asteroid 17 Thetis
Named after Thetis, the mother of Achilles in Greek mythology.
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| Classification | Main-belt Asteroid |
Osculating Orbital Elements
| Epoch | 2453800,5 |
| Semi major axis | 2,4703 AU |
| Period [Julian yrs] | 3,883 Julian years |
| Inclination | 5,587 ° |
| Eccentricity | 0,1343 |
| Lon. of ascending node | 125,612 ° |
| Argument of perihelion | 135,966 ° |
| Passage of perihelion | 2004-May-23.886372 |
| Aphelion distance | 2,8021 AU |
| Mean anomaly | 165,282 ° |
Physical Data
| Radius | 45,02 km |
| Rotation period | 12,266 days |
| Absolute magnitude (H) | 7,76 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,829 |
| Geometric albedo | 0,1715 |
| Spectral class | Sl |
Discovery Circumstances
| Discoverer | Robert Luther |
| Discovered | 1852-04-17 |
Data File
| Data File Name | 17_Thetis.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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