2006 RJ103
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Discovery
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| Discovery date | 2006 |
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Designations
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| Minor planet category |
Trojan asteroid |
| Epoch 2012-Mar-14.0 (JD 2456000.5) | |
| Aphelion | 31.079 AU |
| Perihelion | 29.312 AU |
| Semi-major axis | 30.195 AU |
| Eccentricity | 0.029 |
| Orbital period | 165.9 yr (60,605 d) |
| Mean anomaly | 257° |
| Inclination | 8.1615° |
| Longitude of ascending node | 120.88° |
| Argument of perihelion | 16° |
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Physical characteristics
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| Dimensions | 85–190 km |
| Absolute magnitude (H) | 7.5[1] |
2006 RJ103 (also written 2006 RJ103) is a Neptune trojan discovered by the SDSS Collaboration in 2006. It was the fifth such body to be discovered. It has the same orbital period as Neptune and orbits at the L4 Lagrangian point about 60 degrees ahead of Neptune[3]
With an absolute magnitude of 7.5,[1] it has a diameter in the range of 85 to 190 km.[4]
[edit] References
- ^ a b c "JPL Small-Body Database Browser: 2006 RJ103". http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2006RJ103. Retrieved 2008-05-08.
- ^ AstDys-2 about 2006 RJ103
- ^ "List Of Neptune Trojans". Minor Planet Center. http://cfa-www.harvard.edu/iau/lists/NeptuneTrojans.html. Retrieved 2008-05-08.
- ^ "Absolute Magnitude (H)". http://neo.jpl.nasa.gov/glossary/h.html. Retrieved 2008-05-08.
[edit] External links
- Orbital simulation from JPL (Java) / Ephemeris
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