| Minorplanet | yes |
|---|---|
| Background |
|
| Discoverer | |
| Discovered | 3 November 2002 |
| Discovery site | Palomar Observatory |
| Mp category | TNO · plutino[1] |
| Epoch | 13 January 2016 (JD 2457400.5) |
| Uncertainty | 3 |
| Observation arc | 9153 days (25.06 yr) |
| Semimajor | 39.325 AU |
| Perihelion | 28.999 AU |
| Aphelion | 49.650 AU |
| Eccentricity | 0.26257 |
| Period | 246.61 yr (90072.7 d) |
| Inclination | 14.040° |
| Asc node | 23.152° |
| Arg peri | 287.87° |
| Mean anomaly | 73.453° |
| Satellites | 0 |
| Dimensions | 448.5 ± 42.1 km[2] |
| Abs magnitude | 5.58 ± 0.37[2] |
| Albedo | 0.052 ± 0.027[2] |
| Single temperature | ≈ 44 K |
| Mean motion | / day |
| Moid | 28.0112 AU |
| Jupiter moid | 24.0604 AU |
' is a trans-Neptunian object (TNO). It was discovered in 2002 by Michael Brown and Chad Trujillo. The object is a plutino, an object in 2:3 orbital resonance with Neptune.
The size of was measured by the Herschel Space Telescope to be 449 ± 42 km.[2] The surface of is red in the visible spectral range.[2]
References
- ^ Marsden, Brian G. (2002-11-21). "MPEC 2002-W27 : 2002 MS4, 2002 QX47, 2002 VR128". IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Retrieved 2012-05-14.
- ^ Mommert, Michael; Harris, A. W.; Kiss, C.; Pál, A.; Santos-Sanz, P.; Stansberry, J.; Delsanti, A.; Vilenius, E.; Müller, T. G.; Peixinho, N.; Lellouch, E.; Szalai, N.; Henry, F.; Duffard, R.; Fornasier, S.; Hartogh, P.; Mueller, M.; Ortiz, J. L.; Protopapa, S.; Rengel, M.; Thirouin, A. (May 2012). "TNOs are cool: A survey of the trans-Neptunian region—V. Physical characterization of 18 Plutinos using Herschel-PACS observations". Astronomy & Astrophysics. 541: A93. arXiv:1202.3657. Bibcode:2012A&A...541A..93M. doi:10.1051/0004-6361/201118562. S2CID 119253817