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146710 (2001 WA13)
Classification: Main-belt Asteroid          SPK-ID: 2146710
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0790721969998773 5.0937e-08  
a 2.758029361815856 1.7453e-08 au
q 2.539945920786907 1.4573e-07 au
i 6.420809732250559 3.9583e-06 deg
node 107.414665404049 5.512e-05 deg
peri 300.7118550305336 6.4729e-05 deg
M 31.48373795371772 3.2241e-05 deg
tp 2458854.187799138563
(2020-Jan-05.68779914)
0.00014993 TDB
period 1673.003135382075
4.58
1.588e-05
4.348e-08
d
yr
n .2151819039584671 2.0425e-09 deg/d
Q 2.976112802844805 1.8833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6939 days (19.00 yr)  
   first obs. used      2001-11-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:07:06  

Additional Information
 Earth MOID = 1.55771 au 
 Jupiter MOID = 2.30927 au 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO502888  

146710 (2001 WA13)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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