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JPL Small-Body Database Browser
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(2019 WF)
Classification: Apollo [NEO]          SPK-ID: 3893232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5019599244562238 0.00030855  
a 1.711778957374329 0.00096888 au
q .8525345212449572 4.5825e-05 au
i 5.093399905288675 0.0026991 deg
node 56.35116663896679 1.1151e-05 deg
peri 55.97557450562828 0.0011904 deg
M 241.6659280702967 0.20165 deg
tp 2459665.391615375253
(2022-Mar-26.89161538)
0.68651 TDB
period 818.0313578036591
2.24
0.69452
0.001901
d
yr
n .4400809291303547 0.00037363 deg/d
Q 2.571023393503701 0.0014552 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .35741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:02  

Additional Information
 Earth MOID = .00320155 au 
 Jupiter MOID = 2.58 au 
 T_jup = 4.028 
[ 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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