is a trans-Neptunian object in the outer regions of the Solar System, approximately in diameter. It was discovered on 10 May 2007, by Megan E. Schwamb, Michael E. Brown and David L. Rabinowitz at Palomar Observatory in California, United States.
The minor planet orbits the Sun at a distance of 38.6–40.6 AU once every 249 years and 1 month (90,983 days). Its orbit has an eccentricity of 0.02 and an inclination of 18° with respect to the ecliptic. The first precovery was taken at the Australian Siding Spring Observatory during the Digitized Sky Survey in March 1984, extending the body's observation arc by 23 years prior to its discovery observation. It came to perihelion around 1888.
The Hubble Space Telescope photographed on 26 April 2026, during a search for moons around large trans-Neptunian objects.
Physical characteristics Diameter and albedo has estimated diameters of , , and . assuming an albedo of 0.074, 0.057, 0.08. respectively.
Rotation period As of 2026, no rotational lightcurve of this object has been obtained from photometric observations. The object's rotation period, pole and shape remain unknown. In 2013, Benecchi and colleagues put an upper bound of 0.08 mag on its lightcurve amplitude.
Surface and spectra has known color indices of: g′-r′ of 0.68 ± 0.04; g′-i′ of 1.09 ± 0.03; and r′-i′ of 0.41 ± 0.03. It is also a C-type asteroid. It has assumed albedos of: 0.074, 0.057, and 0.08.
Orbital classification
The Minor Planet Center lists as a trans-Neptunian object or a distant object in the Kuiper belt. The Deep Ecliptic Survey currently shows it as a scattered object, based on a 10-million-year integration of the orbit.
References
External links 2007 JH43 Precovery Images