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(2020 WK3)
Classification: Apollo [NEO]          SPK-ID: 54092918
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .326622954203493 0.00016351  
a 1.445790322312098 0.00034844 au
q .9735620160797003 1.7793e-06 au
i 7.748056709761721 0.0032544 deg
node 250.6488352507478 4.1447e-05 deg
peri 215.501605321769 0.000375 deg
M 350.5440827460765 0.0045042 deg
tp 2459217.178521892255
(2021-Jan-02.67852189)
0.0019157 TDB
period 634.9746640094959
1.74
0.22955
0.0006285
d
yr
n .5669517547783863 0.00020496 deg/d
Q 1.918018628544496 0.00046225 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      23 days  
   first obs. used      2020-11-22  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .37107  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:40  

Additional Information
 Earth MOID = .0247221 au 
 Jupiter MOID = 3.24146 au 
 T_jup = 4.586 
[ 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 25.0   .38582 E2021-CC3 autocmod 2.8

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