(69988) 1998 WA31
| 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
- 1 2 Marc W. Buie. "Orbit Fit and Astrometric record for 69988" (2000-12-28 using 22 of 24 observations). SwRI (Space Science Department). Retrieved 2009-01-29.
- ↑ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 2009-01-29.
- ↑ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2009-01-29.
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