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JPL Small-Body Database Browser
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131695 (2001 XS254)
Classification: TransNeptunian Object          SPK-ID: 2131695
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04890138840966116 0.00021874  
a 37.11795964391215 0.010646 au
q 35.30283988239108 0.0030532 au
i 4.267671440080366 0.0011682 deg
node 94.79611008522741 0.0042422 deg
peri 5.354981192348206 0.34955 deg
M 32.95800801564329 0.31789 deg
tp 2451038.563537073455
(1998-Aug-13.06353707)
72.522 TDB
period 82598.9582064983
226.14
35.537
0.0973
d
yr
n .00435840848137571 1.8751e-06 deg/d
Q 38.93307940543323 0.011167 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      2161 days (5.92 yr)  
   first obs. used      2001-12-09  
   last obs. used      2007-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .18179  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 10:24:43  

Additional Information
 Earth MOID = 34.3199 au 
 Jupiter MOID = 30.0963 au 
 T_jup = 5.461 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.7   n/a MPO137902  

131695 (2001 XS254)          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 | Physical Parameters | Discovery Circumstances ]
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