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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2955221993751179 8.9364e-05  
a 1.235377693101352 0.00012218 au
q .870296160177081 2.4333e-05 au
i 4.560666591777264 0.0013583 deg
node 53.57941688936685 0.00050895 deg
peri 80.03724401428329 0.00069866 deg
M 18.08573579065268 0.053999 deg
tp 2459371.303991809041
(2021-Jun-05.80399181)
0.071491 TDB
period 501.5313202481541
1.37
0.074402
0.0002037
d
yr
n .7178016316545786 0.00010649 deg/d
Q 1.600459226025623 0.00015829 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .43241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:16  

Additional Information
 Earth MOID = .024613 au 
 Jupiter MOID = 3.4406 au 
 T_jup = 5.140 
[ 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 25.2   .42839 E2019X83 autocmod 2.8

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