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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099296983651692 0.00082883  
a 57.52515047483366 0.014603 au
q 51.20142803472422 0.045771 au
i 46.70155779005677 0.0017111 deg
node 252.3818320107804 5.8794e-05 deg
peri 283.3426792187932 0.11046 deg
M 277.3167548539269 0.17765 deg
tp 2494202.101186735790
(2116-Oct-16.60118674)
68.642 JED
period 159362.1102309949
436.31
60.684
0.1661
d
yr
n .002259006231018032 8.6021e-07 deg/d
Q 63.84887291494309 0.016209 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 = 50.4982 au 
 Jupiter MOID = 47.3765 au 
 T_jup = 4.623 
[ 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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