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(2020 WD)
Classification: Apollo [NEO]          SPK-ID: 54088803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3778113960325888 0.00062019  
a 1.580754258320206 0.0015568 au
q .9835272851997896 1.1765e-05 au
i .6344489392455657 0.00072379 deg
node 202.5205813437383 0.010236 deg
peri 185.6491401470941 0.0049674 deg
M 287.0142142138619 0.10777 deg
tp 2459147.673885201734
(2020-Oct-25.17388520)
0.00029667 TDB
period 725.9303726327362
1.99
1.0724
0.002936
d
yr
n .495915329585103 0.00073261 deg/d
Q 2.177981231440623 0.002145 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      9 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .56932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-25 05:21:38  

Additional Information
 Earth MOID = .00278537 au 
 Jupiter MOID = 3.27182 au 
 T_jup = 4.312 
[ 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 28.195   .40965 7 autocmod 2.8

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