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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055261638470948 7.0265e-05  
a 57.24741666716672 0.0028898 au
q 51.20631639612439 0.0035391 au
i 46.76622173862022 0.00021482 deg
node 252.3942518035587 3.3112e-05 deg
peri 285.5084257088261 0.02094 deg
M 277.8076156635718 0.026089 deg
tp 2495121.631455129049
(2119-Apr-24.13145513)
8.8898 TDB
period 158209.3940798743
433.15
11.979
0.0328
d
yr
n .002275465386197288 1.723e-07 deg/d
Q 63.28851693820906 0.0031948 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 = 50.4956 au 
 Jupiter MOID = 47.2968 au 
 T_jup = 4.610 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456770.5 (2014-Apr-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093235560163114 7.1931e-05  
q 51.44001052934176 0.0035306 au
tp 2493496.237561228241
(2114-Nov-10.73756123)
7.8649 TDB
node 252.3577294836978 3.3277e-05 deg
peri 281.2117640838173 0.01895 deg
i 46.56203660177091 0.00021449 deg
  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
 Jupiter MOID = 47.2968 au 
 T_jup = 4.610 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.174083589364846E-9 -1.96980116889857E-7 -.0004246898106802472 2.479842201412566E-10 -6.02724754274451E-7 1.560805276351209E-9
q -1.96980116889857E-7 1.246518184723626E-5 .004629697465278249 8.645381388716949E-10 -1.486952824478094E-5 2.117027652781517E-8
tp -.0004246898106802472 .004629697465278249 61.85635233021446 -4.395564711327935E-5 .1377576452980369 -.0003126646820857198
node 2.479842201412566E-10 8.645381388716949E-10 -4.395564711327935E-5 1.107340843026695E-9 -1.073298950316692E-7 6.85858667746093E-9
peri -6.02724754274451E-7 -1.486952824478094E-5 .1377576452980369 -1.073298950316692E-7 .0003591176636150427 -7.940017900282502E-7
i 1.560805276351209E-9 2.117027652781517E-8 -.0003126646820857198 6.85858667746093E-9 -7.940017900282502E-7 4.60045597235884E-8

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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