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(2020 WA)
Classification: Apollo [NEO]          SPK-ID: 54087867
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6662481831582371 0.00056729  
a 2.794674631417926 0.0046599 au
q .9327277357173172 3.0166e-05 au
i 4.661944733120032 0.0028348 deg
node 57.3102636602535 0.00053582 deg
peri 32.32845099825532 0.00079648 deg
M 318.7348132305765 0.10407 deg
tp 2459196.103499404402
(2020-Dec-12.60349940)
0.0040859 TDB
period 1706.456829555955
4.67
4.268
0.01169
d
yr
n .2109634382568454 0.00052764 deg/d
Q 4.656621527118536 0.0077645 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      7 days  
   first obs. used      2020-11-13  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-20 05:22:38  

Additional Information
 Earth MOID = .00242492 au 
 Jupiter MOID = .641267 au 
 T_jup = 2.951 
[ 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 26.103   .59711 5 autocmod 2.8

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