(69988) 1998 WA31
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Marc W. Buie |
| Discovery date | November 18, 1998 |
| Designations | |
| MPC designation | (69988) 1998 WA31 |
| TNO 2:5 resonance[1] |
|
| Orbital characteristics | |
| Aphelion | 78.179 AU |
| Perihelion | 31.473 AU |
| 54.826 AU | |
| Eccentricity | 0.426 |
| 35.9° | |
| Inclination | 9.5° |
| 20.8° | |
| 309.2° | |
| Physical characteristics | |
| Dimensions | 139 km[2] |
| Albedo | 0.09 (assumed) |
| 7.5 | |
(69988) 1998 WA31, also written as (69988) 1998 WA31, is a trans-Neptunian object that resides in the Kuiper belt.[3] It was discovered on 18 November 1998 by Marc W. Buie at the Kitt Peak National Observatory.
It is in a 2:5 orbital resonance with the planet Neptune.[1]
References
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