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351619 (2005 WA139)
Classification: Main-belt Asteroid          SPK-ID: 2351619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611806074361409 5.6187e-08  
a 2.24736354015396 1.3512e-08 au
q 1.885132119622109 1.2745e-07 au
i 2.187247475894948 5.8804e-06 deg
node 60.65545458630587 0.0001282 deg
peri 304.6178881611638 0.00012918 deg
M 159.0233732412044 1.853e-05 deg
tp 2458456.915726064501
(2018-Dec-04.41572606)
6.1395e-05 TDB
period 1230.575950114951
3.37
1.1098e-05
3.038e-08
d
yr
n .2925459415701823 2.6384e-09 deg/d
Q 2.609594960685811 1.569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:12  

Additional Information
 Earth MOID = .884379 au 
 Jupiter MOID = 2.84776 au 
 T_jup = 3.612 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO455544  

351619 (2005 WA139)          Discovered 2005-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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