(589683) 2010 RF43
is a large trans-Neptunian object orbiting in the scattered disc in the outermost regions of the Solar System. The object was discovered on 9 September 2010, by American astronomers David Rabinowitz, Megan Schwamb and Suzanne Tourtellotte at ESO's La Silla Observatory in northern Chile.
has not yet been imaged by high-resolution telescopes, so it has no known moons. The Hubble Space Telescope is planned to image in 2026, which should determine if it has significantly sized moons.
Orbit and classification
orbits the Sun at a distance of 37.5–61.9 AU once every 350 years and 4 months. Its orbit has an eccentricity of 0.25 and an inclination of 31° with respect to the ecliptic. The body's observation arc begins with a precovery observation taken at Siding Spring Observatory in August 1976.Due to its relatively high eccentricity and inclination, it is an object of the scattered disc rather than one of the regular Kuiper belt. Its perihelion of 37.5 AU is also too low to make it a detached object, which typically stay above 40 AU and never come close to the orbit of Neptune.