(69988) 1998 WA31

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The correct title of this article is (69988) 1998 WA31. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
(69988) 1998 WA31
Discovery
Discovered by Marc W. Buie
Discovery date November 18, 1998
Designations
MPC designation (69988) 1998 WA31
Alternative names none
Minor planet
category		 Trans-Neptunian object (Res 2:5)
Aphelion 78.179 AU
Perihelion 31.473 AU
Semi-major axis 54.826 AU
Eccentricity 0.426
Mean anomaly 35.9°
Inclination 9.5°
Longitude of ascending node 20.8°
Argument of perihelion 309.2°
Physical characteristics
Dimensions 139 km
Albedo 0.09 (assumed)
Absolute magnitude 7.5

(69988) 1998 WA31, also written as (69988) 1998 WA31, is a Trans-Neptunian object that resides in the scattered disc region beyond the Kuiper belt. It was discovered on November 18, 1998 by Marc W. Buie at the Kitt Peak National Observatory.

It is in a 2:5 orbital resonance with the planet Neptune.

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