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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02457337849764213 0.00014565  
a 37.8783486773055 0.0072538 au
q 36.94754967839241 0.0089258 au
i 4.004936246626319 0.00046356 deg
node 127.539039645152 0.0018508 deg
peri 300.7595349260222 0.35796 deg
M 274.6524613765336 0.36201 deg
tp 2477587.579026207790
(2071-Apr-21.07902621)
80.098 JED
period 85150.06486006186
233.13
24.46
0.06697
d
yr
n .004227830015063813 1.2145e-06 deg/d
Q 38.80914767621859 0.007432 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 = 35.9627 au 
 Jupiter MOID = 31.8742 au 
 T_jup = 5.519 
[ 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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