(145451) 2005 RM43
Minor planets
(145451) 2005 RM₄₃ is a trans-Neptunian object that resides in the scattered disc region beyond the Kuiper belt. It was discovered on 9 September 2005, by American astronomers Andrew Becker, Andrew Puckett and Jeremy Kubica at Apache Point... Wikipedia
Orbits: Sun
Mean diameter: ≈644 km (derived from occultation; 455 and 460 km measured); 524+96; −103 km; 458 km (lower limit)
Mean anomaly: 6.19°
Mean density: >0.56 g/cm3
Mean motion: 0° 0m 4.183s / day
Minor planet category: SDO
Orbital period (sidereal): 848.28 yr (309834 d)