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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07898022122028688 0.00023573  
a 35.08990830001252 0.020597 au
q 32.31849957987794 0.012627 au
i 2.853012913692248 0.00044133 deg
node 323.1602762358511 0.0044537 deg
peri 218.6303180012964 0.27869 deg
M 318.7642748449067 0.26265 deg
tp 2466296.968181766104
(2040-May-22.46818177)
47.836 JED
period 75922.7231644573
207.87
66.847
0.183
d
yr
n .004741663430857174 4.1748e-06 deg/d
Q 37.86131702014708 0.022224 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      4110 days (11.25 yr)  
   first obs. used      2001-12-11  
   last obs. used      2013-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .11062  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 04:31:59  

Additional Information
 Earth MOID = 31.3214 au 
 Jupiter MOID = 26.8774 au 
 T_jup = 5.319 
[ 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 mag 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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