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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02788541956545239 0.00015573  
a 38.30947738926318 0.0078904 au
q 37.24120153893036 0.0063617 au
i 3.991833194797969 0.00053737 deg
node 127.4027461498672 0.0021906 deg
peri 277.5952090674901 0.29536 deg
M 306.2797473410435 0.29357 deg
tp 2472320.391814106226
(2056-Nov-17.89181411)
66.656 TDB
period 86607.95180200144
237.12
26.757
0.07326
d
yr
n .004156662206064094 1.2842e-06 deg/d
Q 39.37775323959599 0.0081105 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .30055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:50:39  

Additional Information
 Earth MOID = 36.2525 au 
 Jupiter MOID = 32.2487 au 
 T_jup = 5.547 
[ 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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