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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047390456541317 7.0417e-05  
a 57.2805275649913 0.0028905 au
q 51.28101977326892 0.0035458 au
i 46.73448391407646 0.00021481 deg
node 252.3854373149083 3.3153e-05 deg
peri 285.1394168771595 0.020974 deg
M 278.5462113383472 0.026032 deg
tp 2495028.101038938927
(2119-Jan-20.60103894)
8.8899 TDB
period 158346.672216736
433.53
11.986
0.03282
d
yr
n .00227349267881836 1.7209e-07 deg/d
Q 63.28003535671367 0.0031933 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5383 days (14.74 yr)  
   first obs. used      2002-12-06  
   last obs. used      2017-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .36638  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-17 04:23:58  

Additional Information
 Earth MOID = 50.5711 au 
 Jupiter MOID = 47.3793 au 
 T_jup = 4.614 
[ 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   n/a MPO456527  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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