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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07249308326030977 0.00017162  
a 34.77049436303004 0.011679 au
q 32.24987402016877 0.0052604 au
i 2.868362673667154 0.00025395 deg
node 323.1320429797382 0.0018356 deg
peri 222.8831000329633 0.15247 deg
M 321.1734530679481 0.14863 deg
tp 2467077.330934928395
(2042-Jul-11.83093493)
26.878 TDB
period 74888.42985864161
205.03
37.732
0.1033
d
yr
n .004807151127077055 2.422e-06 deg/d
Q 37.2911147058913 0.012526 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 = 31.2524 au 
 Jupiter MOID = 26.7993 au 
 T_jup = 5.300 
[ 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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