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(2020 WC2)
Classification: Apollo [NEO]          SPK-ID: 54091652
[ 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 2459173.5 (2020-Nov-20.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7565337935671289 0.0023414  
a 2.081849521492346 0.016035 au
q .5068600053618295 0.00097064 au
i 2.574138000007753 0.011602 deg
node 228.111557294367 0.013467 deg
peri 295.0469700711132 0.0028042 deg
M 342.0039285069473 0.23432 deg
tp 2459228.346338337328
(2021-Jan-13.84633834)		 0.080496 TDB
period 1097.166223698343
3.00		 12.676
0.0347		 d
yr
n .3281180118601419 0.0037908 deg/d
Q 3.656839037622863 0.028165 au
   Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      9 days  
   first obs. used      2020-11-19  
   last obs. used      2020-11-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .61708  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:34  

Additional Information
 Earth MOID = .0133745 au 
 Jupiter MOID = 1.35161 au 
 T_jup = 3.326 
[ 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   .45704 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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