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(2019 WF)
Classification: Apollo [NEO]          SPK-ID: 3893232
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5026099838151328 0.00031052  
a 1.710994293074171 0.00096496 au
q .8510314791243772 5.1517e-05 au
i 5.098363286737904 0.0027149 deg
node 56.43207429894107 8.637e-05 deg
peri 55.83752092418726 0.0012266 deg
M 67.46135820074771 0.054148 deg
tp 2458847.312316731924
(2019-Dec-29.81231673)
0.0066433 TDB
period 817.4689547815279
2.24
0.69155
0.001893
d
yr
n .4403836964013044 0.00037255 deg/d
Q 2.570957107023964 0.00145 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      2 days  
   first obs. used      2019-11-17  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:45:31  

Additional Information
 Earth MOID = .00263682 au 
 Jupiter MOID = 2.58015 au 
 T_jup = 4.029 
[ 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 27.0   .43707 E2019W71 autocmod 2.8

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