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(2004 XR190)
Classification: TransNeptunian Object          SPK-ID: 3308265
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100326009098675 0.00083036  
a 57.59524238590364 0.014649 au
q 51.25788806614842 0.045863 au
i 46.66557846999935 0.0017095 deg
node 252.3750423153984 5.8929e-05 deg
peri 282.7236940480864 0.10829 deg
M 277.5019982861508 0.17379 deg
tp 2493986.865666879080
(2116-Mar-15.36566688)
66.9 JED
period 159653.4627076354
437.11
60.911
0.1668
d
yr
n .002254883758201025 8.6028e-07 deg/d
Q 63.93259670565886 0.016261 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      2957 days (8.10 yr)  
   first obs. used      2002-12-06  
   last obs. used      2011-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .20103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 14:02:14  

Additional Information
 Earth MOID = 50.557 au 
 Jupiter MOID = 47.4512 au 
 T_jup = 4.629 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.3 mag n/a MPO339383  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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