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JPL Small-Body Database Browser
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(2019 WN)
Classification: Apollo [NEO]          SPK-ID: 3893328
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 2458810.5 (2019-Nov-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2966772732379856 0.00073438  
a 1.421276272116701 0.0015256 au
q .999615903187269 2.9203e-05 au
i 15.50909575026515 0.025991 deg
node 239.5059557438011 0.0016202 deg
peri 150.1216897689546 0.0052238 deg
M 15.62213621432059 0.031177 deg
tp 2458783.643209907719
(2019-Oct-27.14320991)
0.010359 TDB
period 618.8938760089825
1.69
0.99645
0.002728
d
yr
n .5816829249006417 0.00093654 deg/d
Q 1.842936641046133 0.0019782 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      15 days  
   first obs. used      2019-11-18  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .29924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 05:00:31  

Additional Information
 Earth MOID = .0392134 au 
 Jupiter MOID = 3.60743 au 
 T_jup = 4.623 
[ 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 25.209   .29261 4 autocmod 2.8

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