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(2009 WC105)
Classification: Main-belt Asteroid          SPK-ID: 3479104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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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 2455159.5 (2009-Nov-24.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3183171567049108 0.052001  
a 2.606861291861552 0.44627 au
q 1.777052617512092 0.17661 au
i 29.94480477518871 9.1689 deg
node 68.92954180899021 1.5482 deg
peri 278.1353475664787 2.1816 deg
M 42.19193103459161 5.181 deg
tp 2454979.321812482074
(2009-May-27.82181248)
24.375 TDB
period 1537.359061695319
4.21
394.78
1.081
d
yr
n .2341678069682764 0.060131 deg/d
Q 3.436669966211011 0.58833 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      3 days  
   first obs. used      2009-11-23  
   last obs. used      2009-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .37591  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-08 08:55:32  

Additional Information
 Earth MOID = .9984 au 
 Jupiter MOID = 2.66656 au 
 T_jup = 3.159 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.205   .22821 3 autocmod 2.6i
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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