(84719) 2002 VR₁₂₈

(84719) 2002 VR₁₂₈
Discovery[1]
Discovered by	Michael E. Brown; Chad Trujillo;
Discovery site	Palomar Observatory
Discovery date	3 November 2002
Designations
MPC designation	(84719) 2002 VR128
Minor planet category	TNO; plutino[2];
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
Orbital period	246.61 yr (90072.7 d)
Mean anomaly	73.453°
Mean motion	0° 0m 14.388s / day
Inclination	14.040°
Longitude of ascending node	23.152°
Argument of perihelion	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]
Geometric albedo	0.052+0.027; −0.018[3]
Temperature	≈ 44 K
Spectral type	B−V = 0.94±0.03; V−R = 0.60±0.02[3];
Absolute magnitude (H)	5.58±0.37[3]; 5.4[1];

(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

"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.
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

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[jpldata-1] "JPL Small-Body Database Browser: 84719 (2002 VR128)" (22 October 2008 last obs). Retrieved 7 April 2016.

[MPEC2003-W02-2] 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.

[Herschel-3] 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.