(145453) 2005 RR43
Minor planets
(145453) 2005 RR₄₃ is a trans-Neptunian object estimated to be about 250 km in diameter. It was discovered on 9 September 2005 by Andrew Becker, Andrew Puckett and Jeremy Kubica at Apache Point Observatory in Sunspot, New Mexico. Wikipedia
Average orbital speed: 0.00346°/d
Geometric albedo: 0.703±0.021 (wavelength: 1.5 μm); 0.828±0.049 (wavelength: 2.0 μm)
Minor planet category: cubewano; extended (DES)
Orbital period (sidereal): 283.58 yr (103578 d)
Sidereal rotation period: 7.87 h