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JPL Small-Body Database Browser
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524366 (2001 XR254)
Classification: TransNeptunian Object          SPK-ID: 2524366
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03716077051887243 2.4395e-05  
a 42.7866101240427 0.0018612 au
q 41.19662672394269 0.0027533 au
i 1.230712868641477 5.7454e-05 deg
node 180.0500345652887 0.005267 deg
peri 78.78611254028326 0.048357 deg
M 226.0481986737705 0.049689 deg
tp 2496637.504151851121
(2123-Jun-18.00415185)		 12.06 TDB
period 102225.736116212
279.88		 6.6701
0.01826		 d
yr
n .003521618074637737 2.2978e-07 deg/d
Q 44.37659352414271 0.0019304 au
   Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5881 days (16.10 yr)  
   first obs. used      2001-12-10  
   last obs. used      2018-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .57103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:48:36  

Additional Information
 Earth MOID = 40.1814 au 
 Jupiter MOID = 35.8738 au 
 T_jup = 5.851 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.9   n/a E2018X68  

524366 (2001 XR254)          Discovered 2001-Dec-10 by Jewitt, D. C., Sheppard, S. S., Kleyna, J. at Mauna Kea
Reference: Last Updated: 2019-05-29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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