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(2020 WM)
Classification: Aten [NEO]          SPK-ID: 54088813
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4101563589618366 0.00021379  
a .7977543001584356 5.7032e-05 au
q .4705503010593035 0.00020419 au
i 3.407866380809711 0.0023873 deg
node 71.68248869181852 0.0021748 deg
peri 133.1101953025803 0.0050116 deg
M 6.71767064246366 0.0078647 deg
tp 2458995.643556236150
(2020-May-26.14355624)
0.006206 TDB
period 260.2568431882373
0.71
0.027909
7.641e-05
d
yr
n 1.383248930517539 0.00014833 deg/d
Q 1.124958299257568 8.0424e-05 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   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      .37625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-26 05:21:13  

Additional Information
 Earth MOID = .00990302 au 
 Jupiter MOID = 3.83363 au 
 T_jup = 7.235 
[ 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 25.006   .57965 9 autocmod 2.8

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