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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.


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Orbital Elements at Epoch 2459173.5 (2020-Nov-20.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7565337899650832 0.0023414  
a 2.081849501041844 0.016035 au
q .5068600078817401 0.00097064 au
i 2.574138016968785 0.011602 deg
node 228.1115568974327 0.013467 deg
peri 295.0469703792257 0.0028042 deg
M 342.003928205208 0.23432 deg
tp 2459228.346338448781
(2021-Jan-13.84633845)
0.080496 TDB
period 1097.166207531756
3.00
12.676
0.0347
d
yr
n .3281180166949137 0.0037908 deg/d
Q 3.656838994201947 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .61708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-28 05:19:40  

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 24.984   .45704 5 autocmod 2.8

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