Asteroid 617 Patroclus
Named after Patroclus ("glory of the father"), son of Menoetius and Achilles' best friend and/or lover.
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| Alternate designation | 1906 VY |
| Classification | Jupiter Trojan |
| Notes | orbits in Jupiter's trailing Lagrangian point, L5 (the 'Trojan node')
Patroclus is the only object in the Trojan camp to be named after a Greek character.
binary object, made up of two components of roughly similar size |
Osculating Orbital Elements
| Epoch | 2453800,5 |
| Semi major axis | 5,2273 AU |
| Period [Julian yrs] | 11,952 Julian years |
| Inclination | 22,035 ° |
| Eccentricity | 0,1381 |
| Lon. of ascending node | 44,362 ° |
| Argument of perihelion | 307,698 ° |
| Passage of perihelion | 2000-Aug-24.093413 |
| Aphelion distance | 5,9490 AU |
| Mean anomaly | 166,578 ° |
Physical Data
| Radius | 70,46 km |
| Absolute magnitude (H) | 8,19 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,677 |
| Geometric albedo | 0,0471 |
| Spectral class | n.a. |
Discovery Circumstances
| Discoverer | August Kopff |
| Discovered | 1907-10-17 |
Data File
| Data File Name | 617_Patroclus.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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