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(1999 OJ4)
Classification: TransNeptunian Object          SPK-ID: 3031899
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02395071759525891 0.00014642  
a 37.89319771483716 0.0072606 au
q 36.98562843758778 0.0088768 au
i 4.003785865161147 0.00046336 deg
node 127.528335417674 0.001851 deg
peri 299.6992135994218 0.36568 deg
M 276.4941809413282 0.3692 deg
tp 2477363.576422573770
(2070-Sep-09.07642257)
81.933 JED
period 85200.14044922685
233.27
24.487
0.06704
d
yr
n .004225345147342029 1.2144e-06 deg/d
Q 38.80076699208653 0.0074345 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      3363 days (9.21 yr)  
   first obs. used      1999-07-18  
   last obs. used      2008-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .30538  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 00:34:53  

Additional Information
 Earth MOID = 35.9999 au 
 Jupiter MOID = 31.9146 au 
 T_jup = 5.520 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.1 mag n/a MPO206040  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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