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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108312110941685 0.0018974  
a 57.74260796443446 0.020186 AU
q 51.48838420452841 0.10464 AU
i 46.56585577302528 0.0023897 deg
node 252.3583149885737 7.8557e-05 deg
peri 281.3109729152212 0.14449 deg
M 277.3794959492309 0.31143 deg
tp 2493581.908741598880
(2115-Feb-04.40874160)
125.75 JED
period 160266.598456468
438.79
84.041
0.2301
d
yr
n .002246257195617613 1.1779e-06 deg/d
Q 63.9968317243405 0.022373 AU
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      2221 days (6.08 yr)  
   first obs. used      2004-12-11  
   last obs. used      2011-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   fit RMS      .22249  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-15 11:03:21  

Additional Information
 Earth MOID = 50.7914 AU 
 T_jup = 4.644 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.4 mag n/a MPO196616  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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