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(2020 KJ4)
Classification: Aten [NEO]          SPK-ID: 54017225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133530583483872 2.6413e-05  
a .9751394031134225 5.6952e-05 au
q .8449284696375726 2.3611e-05 au
i 2.863718087952837 0.00035658 deg
node 67.59061466438145 0.00029735 deg
peri 293.8514582100421 0.02786 deg
M 107.7461484755557 0.014856 deg
tp 2459095.231668549203
(2020-Sep-02.73166855)
0.023736 TDB
period 351.721150671891
0.96
0.030813
8.436e-05
d
yr
n 1.023538104866011 8.9668e-05 deg/d
Q 1.105350336589273 6.4557e-05 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      7 days  
   first obs. used      2020-05-21  
   last obs. used      2020-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .42791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:33:59  

Additional Information
 Earth MOID = .000842449 au 
 Jupiter MOID = 4.10463 au 
 T_jup = 6.193 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 29.9   .38121 MPO545565 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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