Asteroid 1208 Troilus
Named after Troilus, a Trojan prince and one of the many sons of Priam.
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This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
| Alternate designation | 1931 YA |
| Classification | Jupiter Trojan |
| Notes | orbits in Jupiter's trailing Lagrangian point, L5 (the 'Trojan node') |
Osculating Orbital Elements
| Epoch | 2453800,5 |
| Semi major axis | 5,2366 AU |
| Period [Julian yrs] | 11,983 Julian years |
| Inclination | 33,565 ° |
| Eccentricity | 0,0910 |
| Lon. of ascending node | 48,555 ° |
| Argument of perihelion | 295,931 ° |
| Passage of perihelion | 2011-Dec-02.996741 |
| Aphelion distance | 5,7132 AU |
| Mean anomaly | 187,440 ° |
Physical Data
| Radius | 51,67 km |
| Absolute magnitude (H) | 8,99 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,693 |
| Geometric albedo | 0,0419 |
| Spectral class | n.a. |
Discovery Circumstances
| Discoverer | Karl Wilhelm Reinmuth |
| Discovered | 1931-12-31 |
Data File
| Data File Name | 1208_Troilus.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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