2002 XV₉₃

2002 XV₉₃, also written as 2002 XV93, is a trans-Neptunian object (TNO) with an absolute magnitude of 5.4.[5] A 2:3 orbital resonance with Neptune makes it a plutino.[2]

2002 XV₉₃

2002 XV93 imaged by the Hubble Space Telescope in 2005
Discovery[1]
Discovered by	M. W. Buie
Discovery date	10 December 2002
Designations
MPC designation	2002 XV93
Minor planet category	plutino[2]
Orbital characteristics[3]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	6582 days (18.02 yr)
Earliest precovery date	16 October 1990
Aphelion	44.427 AU (6.6462 Tm) (Q)
Perihelion	34.405 AU (5.1469 Tm) (q)
Semi-major axis	39.416 AU (5.8965 Tm) (a)
Eccentricity	0.12713 (e)
Orbital period	247.47 yr (90387.1 d)
Mean anomaly	282.08° (M)
Mean motion	0° 0^m 14.338^s / day (n)
Inclination	13.281° (i)
Longitude of ascending node	19.170° (Ω)
Time of perihelion	≈ 20 March 2070[4] ±5 days
Argument of perihelion	163.53° (ω)
Earth MOID	33.4096 AU (4.99801 Tm)
Jupiter MOID	28.9574 AU (4.33197 Tm)
Physical characteristics
Dimensions	549.2+21.7 −23.0 km[5]
Geometric albedo	0.040+0.020 −0.015[5]
Spectral type	B−V = 0.72±0.02 V−R = 0.37±0.02[5]
Apparent magnitude	21.1[6]
Absolute magnitude (H)	5.42±0.46[5] 4.73±0.02[7] 5.0[3]

It has been observed with precovery images back to 1990.[3]

Orbit and rotation

Precovery image of 2003 XV₉₃ taken by the Palomar Observatory in 1992[8]

2002 XV₉₃ is locked in 2:3 resonance with Neptune, which means that when it makes two revolutions around the Sun, Neptune makes exactly three.[2]

The rotation period of this object is not known.

Physical characteristics

The size of 2002 XV₉₃ has been measured by the Herschel Space Telescope to be 549.2+21.7
−23.0 km.[5]

It is likely a dwarf planet.[9]

References

1. "List of Transneptunian Objects". IAU Minor Planet Center. Archived from the original on 27 October 2010. Retrieved 27 October 2010.
2. "MPEC 2010-O39 :Distant Minor Planets (12 August 2010.0 TT)". Minor Planet Center & Tamkin Foundation Computer Network. 27 July 2010. Archived from the original on 20 May 2012. Retrieved 7 August 2010.
3. "JPL Small-Body Database Browser: 2002 XV93" (2008-10-23 last obs). Retrieved 30 March 2016.
4. JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
5. 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.
6. "AstDys 2002XV93 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 7 August 2010.
7. Tegler, Stephen C. (1 February 2007). "Kuiper Belt Object Magnitudes and Surface Colors". Archived from the original on 1 September 2006. Retrieved 30 December 2009.
8. Lowe, Andrew. "2002 XV93 Precovery Images". andrew-lowe.ca.
9. "How many dwarf planets are there in the outer solar system?". Gps.caltech.edu. 21 July 2015. Retrieved 16 September 2016.

External links

• 2002 XV93 at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 2002 XV93 at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical Properties · Summary
• 2002 XV93 at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters