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JPL Small-Body Database Browser
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(2019 WD)
Classification: Apollo [NEO]          SPK-ID: 3893230
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5770490402072579 0.00032931  
a 2.30686849470136 0.0017805 au
q .9756922439495784 6.6443e-06 au
i 1.378360395542755 0.00074544 deg
node 244.2171959546851 0.00060026 deg
peri 150.8090592548631 0.0008436 deg
M 306.8700050861367 0.061357 deg
tp 2458789.373034196470
(2019-Nov-01.87303420)		 0.00055276 TDB
period 1279.772234515822
3.50		 1.4816
0.004056		 d
yr
n .2813000550337766 0.00032566 deg/d
Q 3.638044745453142 0.0028079 au
   Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      6 days  
   first obs. used      2019-11-17  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 11:32:30  

Additional Information
 Earth MOID = .00543008 au 
 Jupiter MOID = 1.8055 au 
 T_jup = 3.343 
[ 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 26.238   .326 6 autocmod 2.8

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