(131696) 2001 XT254

(131696) 2001 XT₂₅₄
Discovery
Discovered by	Sheppard, S. S., Kleyna, J., Jewitt, D. C.
Discovery date	9 December 2001
Designations
MPC designation	(131696) 2001 XT254
Minor planet category	SDO; 3:7 resonance
Orbital characteristics
	Epoch 13 January 2016 (JD 2457400.5)
	Uncertainty parameter 3
Observation arc	4113 days (11.26 yr)
Aphelion	70.889 AU (10.6048 Tm) (Q)
Perihelion	35.892 AU (5.3694 Tm) (q)
Semi-major axis	53.391 AU (7.9872 Tm) (a)
Eccentricity	0.32774 (e)
Orbital period (sidereal)	390.13 yr (142494 d)
Mean anomaly	359.98° (M)
Mean motion	0° 0m 9.095s / day (n)
Inclination	0.51687° (i)
Longitude of ascending node	359.55° (Ω)
Argument of perihelion	133.36° (ω)
Earth MOID	34.907 AU (5.2220 Tm)
Jupiter MOID	30.5705 AU (4.57328 Tm)
Physical characteristics
Dimensions	146 km (assumed)
Geometric albedo	0.09 (assumed)
Absolute magnitude (H)	7.4

(131696) 2001 XT₂₅₄, provisionally known as 2001 XT254, is a Kuiper belt object (KBO)^[2] that has a 3:7 resonance with Neptune.^[3]

It will come to perihelion in January 2016.^[1]

Assuming a generic TNO albedo of 0.09, it is about 146 km in diameter.^[5]

^ ^a ^b ^c ^d "JPL Small-Body Database Browser: 131696 (2001 XT254)" (2006-01-29 last obs). Retrieved 7 April 2016.
^ ^a ^b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2009-01-30.
^ ^a ^b Marc W. Buie. "Orbit Fit and Astrometric record for 131696" (2013-03-24 using 28 observations). SwRI (Space Science Department). Retrieved 2009-01-30.
^ "MPEC 2009-A63 :Distant Minor Planets (2009 JAN. 29.0 TT)". Minor Planet Center. 2009-01-13. Retrieved 2009-01-30.
^ ^a ^b Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 13 February 2009. Retrieved 2009-01-30.