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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07925335747013701 0.0002395  
a 35.12311448322296 0.020645 au
q 32.33948973561954 0.012484 au
i 2.851158743682801 0.00044106 deg
node 323.1665471618492 0.0044566 deg
peri 217.8747312922178 0.2763 deg
M 318.5073142228377 0.26102 deg
tp 2466163.584554023835
(2040-Jan-10.08455402)
47.509 JED
period 76030.51912308221
208.16
67.034
0.1835
d
yr
n .004734940707391634 4.1747e-06 deg/d
Q 37.90673923082638 0.022281 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 = 31.3433 au 
 Jupiter MOID = 26.8986 au 
 T_jup = 5.322 
[ 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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