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JPL Small-Body Database Browser
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131697 (2001 XH255)
Classification: TransNeptunian Object          SPK-ID: 2131697
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07474382864513847 0.00017393  
a 34.85391826918749 0.011741 au
q 32.24880297446368 0.0051914 au
i 2.864982447010892 0.00025373 deg
node 323.1352059081294 0.0018378 deg
peri 222.2408970023127 0.14663 deg
M 319.9960855382939 0.14374 deg
tp 2466952.218135349007
(2042-Mar-08.71813535)
25.82 TDB
period 75158.10812973662
205.77
37.976
0.104
d
yr
n .004789902366602606 2.4202e-06 deg/d
Q 37.4590335639113 0.012618 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      5856 days (16.03 yr)  
   first obs. used      2001-12-11  
   last obs. used      2017-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .11235  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 07:14:21  

Additional Information
 Earth MOID = 31.2519 au 
 Jupiter MOID = 26.8018 au 
 T_jup = 5.305 
[ 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 8.2   n/a MPO273203  

131697 (2001 XH255)          Discovered 2001-Dec-11 by Kleyna, J., Sheppard, S. S., 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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