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(2011 UR402)
Classification: Centaur          SPK-ID: 3590191
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7779603138069289 8.6132e-07  
a 18.56319984303388 7.1662e-05 au
q 4.12176706788651 4.5574e-07 au
i 24.57188775457707 1.4121e-05 deg
node 221.3860030169053 2.0207e-05 deg
peri 294.4958124335286 2.6293e-05 deg
M 32.26602304321506 0.00018801 deg
tp 2456778.192643736827
(2014-Apr-30.69264374)
0.00021991 TDB
period 29213.10280452897
79.98
0.16916
0.0004631
d
yr
n .01232323736402928 7.136e-08 deg/d
Q 33.00463261818125 0.00012741 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      2424 days (6.64 yr)  
   first obs. used      2010-11-03  
   last obs. used      2017-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .4094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:40:54  

Additional Information
 Earth MOID = 3.2243 au 
 Jupiter MOID = .151546 au 
 T_jup = 2.439 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7   n/a MPO413627  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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