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(2020 KE4)
Classification: Apollo [NEO]          SPK-ID: 54017215
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4900137278928463 0.0001622  
a 1.880954876742936 0.0005702 au
q .9592611655919008 1.43e-05 au
i 4.584616565346475 0.0011686 deg
node 241.0310859924583 0.00056793 deg
peri 43.61492662751878 0.0010126 deg
M 348.7406475096166 0.0056045 deg
tp 2459029.969780926508
(2020-Jun-29.46978093)
0.001269 TDB
period 942.249666897279
2.58
0.42846
0.001173
d
yr
n .3820643430795142 0.00017373 deg/d
Q 2.802648587893971 0.00084961 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      23 days  
   first obs. used      2020-05-11  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-04 06:06:10  

Additional Information
 Earth MOID = .013477 au 
 Jupiter MOID = 2.39131 au 
 T_jup = 3.811 
[ 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 25.129   .52728 3 autocmod 2.8

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