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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02558537310466021 0.0001525  
a 38.22185250610224 0.0078483 au
q 37.24393214898232 0.0065407 au
i 3.992836764377783 0.00053762 deg
node 127.4147942668016 0.0021913 deg
peri 280.0899047288809 0.32867 deg
M 301.9754658888488 0.32796 deg
tp 2472912.039288884020
(2058-Jul-02.53928888)
74.355 TDB
period 86310.97553329206
236.31
26.584
0.07278
d
yr
n .004170964327255692 1.2847e-06 deg/d
Q 39.19977286322216 0.0080491 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-N16  
   condition code      4  
   norm. resid. RMS      .30763  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-08 23:56:28  

Additional Information
 Earth MOID = 36.2564 au 
 Jupiter MOID = 32.2404 au 
 T_jup = 5.542 
[ 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   n/a MPO206040  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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