| Discovery[1] | |
|---|---|
| Discovered by | |
| Discovery site | Palomar Observatory |
| Discovery date | 3 November 2002 |
| Designations | |
MPC designation | (84719) 2002 VR128 |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 9153 days (25.06 yr) |
| Aphelion | 49.650 AU (7.4275 Tm) |
| Perihelion | 28.999 AU (4.3382 Tm) |
Semi-major axis | 39.325 AU (5.8829 Tm) |
| Eccentricity | 0.26257 |
| 246.61 yr (90072.7 d) | |
| 73.453° | |
| 0° 0m 14.388s / day | |
| Inclination | 14.040° |
| 23.152° | |
| 287.87° | |
| Earth MOID | 28.0112 AU (4.19042 Tm) |
| Jupiter MOID | 24.0604 AU (3.59938 Tm) |
| Physical characteristics | |
| Dimensions | 448.5+42.1 −43.2 km[3] |
| 0.052+0.027 −0.018[3] | |
| Temperature | ≈ 44 K |
| |
(84719) 2002 VR128, also written (84719) 2002 VR128, 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.
Physical properties
The size of (84719) 2002 VR128 was measured by the Herschel Space Telescope to be 448.5+42.1
−43.2 km.[3] The surface of (84719) 2002 VR128 is red in the visible spectral range.[3]
References
- ^ a b c "JPL Small-Body Database Browser: 84719 (2002 VR128)" (22 October 2008 last obs). Retrieved 7 April 2016.
- ^ Marsden, Brian G. (21 November 2002). "MPEC 2002-W27 : 2002 MS4, 2002 QX47, 2002 VR128". IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Retrieved 14 May 2012.
- ^ a b c d e f 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.
External links
- Orbit simulation from NASA JPL site
- Orbital details from the IAU Minor Planets Center
- (84719) 2002 VR128 at the JPL Small-Body Database