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131696 (2001 XT254)
Classification: TransNeptunian Object          SPK-ID: 2131696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3166673214998971 0.00018315  
a 52.51756263998612 0.016113 au
q 35.88696674707865 0.0014142 au
i .5213081854470796 0.00014638 deg
node 359.1067219828948 0.018493 deg
peri 133.6641747093413 0.020244 deg
M 4.201137028168615 0.0050607 deg
tp 2457378.243150958423
(2015-Dec-21.74315096)
1.5685 TDB
period 139012.9533360053
380.60
63.975
0.1752
d
yr
n .002589686726026542 1.1918e-06 deg/d
Q 69.14815853289359 0.021215 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5858 days (16.04 yr)  
   first obs. used      2001-12-09  
   last obs. used      2017-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .11314  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 07:14:21  

Additional Information
 Earth MOID = 34.9015 au 
 Jupiter MOID = 30.5537 au 
 T_jup = 6.126 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.4   n/a MPO273203  

131696 (2001 XT254)          Discovered 2001-Dec-09 by Sheppard, S. S., Kleyna, J., Jewitt, D. C. at Mauna Kea
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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