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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07831620039029288 0.00024616  
a 35.1451304932345 0.02069 AU
q 32.39269741078336 0.012234 AU
i 2.849267998017585 0.00044067 deg
node 323.1738446194757 0.004459 deg
peri 216.4857745148171 0.27681 deg
M 316.8298365835597 0.26387 deg
tp 2465926.434744817003
(2039-May-17.93474482)
47.849 JED
period 76102.01695189734
208.36
67.201
0.184
d
yr
n .00473049223159945 4.1772e-06 deg/d
Q 37.89756357568565 0.02231 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 = 31.3973 AU 
 T_jup = 5.323 
[ 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 (568)
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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