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

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362204698658397 2.5296e-05  
a .9763495064187011 5.7843e-05 au
q .843350717901065 2.5283e-05 au
i 2.91754673569731 0.00031312 deg
node 67.73061565490801 0.00017154 deg
peri 293.1917796841146 0.027325 deg
M 263.9080787434706 0.032181 deg
tp 2459094.556923513023
(2020-Sep-02.05692351)
0.023141 TDB
period 352.37605848564
0.96
0.031314
8.573e-05
d
yr
n 1.021635810182804 9.0789e-05 deg/d
Q 1.109348294936337 6.5722e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .4279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-28 06:49:49  

Additional Information
 Earth MOID = .000308843 au 
 Jupiter MOID = 4.10681 au 
 T_jup = 6.187 
[ 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 29.894   .38121 4 autocmod 2.8

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