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(2020 WK3)
Classification: Apollo [NEO]          SPK-ID: 54092918
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3265278404778677 0.00016358  
a 1.446575590504852 0.00034799 au
q .9742283868493066 2.279e-06 au
i 7.764729110423613 0.0032372 deg
node 250.6908541704688 1.7218e-05 deg
peri 215.2593846241943 7.8798e-05 deg
M 237.3356577636771 0.045224 deg
tp 2459217.033930523834
(2021-Jan-02.53393052)
0.0016981 TDB
period 635.4920555347604
1.74
0.22931
0.0006278
d
yr
n .5664901659503256 0.00020441 deg/d
Q 1.918922794160398 0.00046161 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-16 05:26:57  

Additional Information
 Earth MOID = .0251906 au 
 Jupiter MOID = 3.24144 au 
 T_jup = 4.585 
[ 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 24.97   .38582 13 autocmod 2.8

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