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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02676770325970636 0.00015458  
a 38.27107718022593 0.007872 au
q 37.24664834283632 0.0064256 au
i 3.992177421236043 0.00053745 deg
node 127.4069945757256 0.0021908 deg
peri 278.4644023853834 0.30994 deg
M 304.5119395449857 0.3086 deg
tp 2472529.620674742697
(2057-Jun-15.12067474)
70.037 TDB
period 86477.76483010489
236.76
26.681
0.07305
d
yr
n .004162919806117327 1.2844e-06 deg/d
Q 39.29550601761554 0.0080827 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 = 36.2578 au 
 Jupiter MOID = 32.2498 au 
 T_jup = 5.545 
[ 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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