(65407) 2002 RP120
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Template:Mp (provisional designation Template:Mp) is a trans-Neptunian object and damocloid from the outer Solar System. Its orbit is retrograde and comet-like, and has a high eccentricity. It was discovered on 4 September 2002 by astronomers with the LONEOS survey at Anderson Mesa Station, Arizona, in the United States. The unusual object measures approximately Script error: No such module "convert". in diameter and is likely elongated in shape. It is a slow rotator and potentially a tumbler as well.[1] The object was probably ejected from the ecliptic by Neptune.Script error: No such module "Unsubst".
Orbit and classification
Template:Mp is a member of the damocloids,[2] with a retrograde orbit and a negative TJupiter of −0.8340. It is also a trans-Neptunian object, as its orbit has a semi-major axis larger than that of Neptune (30.1 AU).[3] The Minor Planet Center lists it as a critical object, centaur, and (other) unusual minor planet due to an orbital eccentricity of more than 0.5.[4]
It orbits the Sun at a distance of 2.5–105 AU once every 396 years (semi-major axis of 53.92 AU). Its orbit has an eccentricity of 0.95 and an inclination of 119° with respect to the ecliptic.[3] The body's observation arc begins with a precovery taken by Astrovirtel Template:Obscode at ESO's La Silla Observatory in February 2001, or 19 months prior to its official discovery observation at Anderson Mesa.[5]
Numbering and naming
This minor planet was permanently numbered Template:LoMP by the Minor Planet Center on 14 June 2003 (M.P.C. 48994Script error: No such module "Check for unknown parameters".).[6] As of 2018, it has not been named.[5]
Physical characteristics
The object has a B–R magnitude of 1.37,[2] typical for most dynamical groups in the outer Solar System.
Rotation period
In October 2010, a rotational lightcurve of Template:Mp was obtained from photometric observations by French amateur astronomer René Roy . Lightcurve analysis gave a rotation period of 200 hours with a brightness amplitude of 0.6 magnitude, indicative of an elongated, non-spherical shape (U=2Script error: No such module "Check for unknown parameters".).[7] With a rotation period above 100 hours, it is a typical slow rotator.
Diameter and albedo
According to the survey of minor-planet albedos of bodies in a comet-like orbit, carried out by Yanga Fernández in collaboration with David Jewitt and Scott Sheppard at the Institute for Astronomy, Hawaii, Template:Mp measures 14.6 kilometers in diameter and its surface has an albedo of 0.098.[3][8] Johnston's archive gives a rounded figure of 15 kilometers.[2]
References
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External links
- List Of Centaurs and Scattered-Disk Objects, Minor Planet Center
- (65407) 2002 RP120, Small Bodies Data Ferret
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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