(69990) 1998 WU31
| Discovery | |
|---|---|
| Discovered by | Marc W. Buie |
| Discovery date | 18 November 1998 |
| Designations | |
| MPC designation | (69990) 1998 WU31 |
| none | |
| TNO (plutino) | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 2479 days (6.79 yr) |
| Aphelion | 46.521 AU (6.9594 Tm) |
| Perihelion | 31.992 AU (4.7859 Tm) |
| 39.256 AU (5.8726 Tm) | |
| Eccentricity | 0.18505 |
| 245.96 yr (89838.0 d) | |
| 45.835° | |
| 0° 0m 14.426s / day | |
| Inclination | 6.5838° |
| 237.19° | |
| 142.25° | |
| Earth MOID | 30.9954 AU (4.63685 Tm) |
| Jupiter MOID | 27.0593 AU (4.04801 Tm) |
| Physical characteristics | |
| Dimensions | 111 km |
| 0.09 (assumed) | |
| 8.3 | |
|
| |
(69990) 1998 WU31, also written as (69990) 1998 WU31 is a TNO that resides in the Kuiper belt. It was discovered on November 18, 1998, by Marc W. Buie at Kitt Peak National Observatory
Since it is in a 2:3 orbital resonance with the planet Neptune, it has been classified as a plutino.
References
- ↑ "JPL Small-Body Database Browser: 69990 (1998 WU31)". NASA/Jet Propulsion Laboratory. Retrieved 6 April 2016.
- 1. http://www.webcitation.org/5Pkgpyk4n?url=http%3A%2F%2Fcfa-www.harvard.edu%2Fiau%2Flists%2FTNOs.html
- 2. http://www.johnstonsarchive.net/astro/tnoslist.html
External links
This article is issued from Wikipedia - version of the 9/9/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.