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JPL Small-Body Database Browser
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(2019 WD3)
Classification: Apollo [NEO]          SPK-ID: 3893549
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2959047721601467 8.9286e-05  
a 1.237291113854299 0.00012184 au
q .8711707687134682 2.4694e-05 au
i 4.581514588177228 0.001346 deg
node 53.70286769558942 0.00044244 deg
peri 79.70523612141149 0.00057952 deg
M 167.327810772246 0.03073 deg
tp 2458366.846712507081
(2018-Sep-05.34671251)
0.077423 TDB
period 502.6969701524509
1.38
0.074253
0.0002033
d
yr
n .7161371987000921 0.00010578 deg/d
Q 1.603411458995129 0.00015789 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      31 days  
   first obs. used      2019-10-31  
   last obs. used      2019-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-07 05:37:46  

Additional Information
 Earth MOID = .0246684 au 
 Jupiter MOID = 3.44087 au 
 T_jup = 5.134 
[ 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 25.148   .42839 4 autocmod 2.8

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