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(2009 WN6)
Classification: Apollo [NEO]          SPK-ID: 3477700
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 2455156.5 (2009-Nov-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3867991851065121 0.00093369  
a 1.582759430438159 0.0023609 au
q .9705493725250319 3.018e-05 au
i .7352004335727926 0.0013773 deg
node 57.35714668884727 0.003654 deg
peri 317.3609721001461 0.0039633 deg
M 18.04598503639136 0.043825 deg
tp 2455120.041492687494
(2009-Oct-15.54149269)
0.0069783 TDB
period 727.3120644860497
1.99
1.6273
0.004455
d
yr
n .4949732275572682 0.0011075 deg/d
Q 2.194969488351286 0.0032741 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      28 days  
   first obs. used      2009-11-18  
   last obs. used      2009-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .70023  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:07  

Additional Information
 Earth MOID = .00422256 au 
 Jupiter MOID = 3.27203 au 
 T_jup = 4.305 
[ 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 24.7   n/a MPO167786  

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