Discovery date 2006 Observation arc 3796 days (10.39 yr) Semi-major axis 29.978 AU (4.4846 Tm) Discovered 2006 Argument of perihelion 29.564° Absolute magnitude 7.5 | Minor planet category Trojan asteroid Aphelion 30.941 AU (4.6287 Tm) Eccentricity 0.032125 Inclination 8.162° Mean anomaly 252.03° Asteroid group Neptune trojan | |
Similar (316179) 2010 EN65, S/2004 N 1, Sao, Psamathe, Laomedeia | ||
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 As of 2016, it is 30.3 AU from Neptune.
With an absolute magnitude of 7.5, it has a diameter in the range of 85 to 190 km.
References
2006 RJ103 Wikipedia(Text) CC BY-SA