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(2019 WJ)
Classification: Aten [NEO]          SPK-ID: 3893274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458805.5 (2019-Nov-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5078525960188676 0.0037618  
a .7115624383561774 0.0010694 au
q .3501936068074773 0.0032027 au
i 4.747363785655593 0.059171 deg
node 13.08263867193129 0.23155 deg
peri 203.8920380067271 0.17962 deg
M 234.6214719003834 0.3136 deg
tp 2458881.855199318400
(2020-Feb-02.35519932)
0.36264 TDB
period 219.2390688522371
0.60
0.49423
0.001353
d
yr
n 1.642043098817542 0.0037016 deg/d
Q 1.072931269904877 0.0016125 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   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      9  
   norm. resid. RMS      .51238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-19 06:22:07  

Additional Information
 Earth MOID = .00284991 au 
 Jupiter MOID = 3.89858 au 
 T_jup = 7.948 
[ 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 22.2   .5511 E2019W71 autocmod 2.8

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