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(2020 WC)
Classification: Apollo [NEO]          SPK-ID: 54088804
[ 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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4782493117605108 0.00015274  
a 1.904865881469328 0.00056182 au
q .9938650846605432 2.1898e-06 au
i .3304112133190233 8.066e-05 deg
node 226.1605221492965 0.00073622 deg
peri 204.4999142428983 0.00067785 deg
M 290.9865164108646 0.030706 deg
tp 2459184.588424377071
(2020-Dec-01.08842438)		 0.00046421 TDB
period 960.2736933305405
2.63		 0.42483
0.001163		 d
yr
n .3748931190142294 0.00016586 deg/d
Q 2.815866678278113 0.00083051 au
   Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      10 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .42345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-01 05:19:26  

Additional Information
 Earth MOID = .00863966 au 
 Jupiter MOID = 2.504 au 
 T_jup = 3.794 
[ 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 27.548   .58007 8 autocmod 2.8

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