Home›Asteroids›507321 2011 RM18507321 2011 RM18Main-belt minor planetDesignation(507321) 2011 RM18ClassMain-beltSemi-major axis3.1746453 AUEccentricity0.1720389Inclination8.66689°Absolute magnitude (H)17.21Perihelion2.628 AUAphelion3.721 AU