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385174 (2013 WL2)
Classification: Main-belt Asteroid          SPK-ID: 2385174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0831421315571524 6.0992e-08  
a 2.739862992344799 3.8431e-08 au
q 2.512064942986695 1.8025e-07 au
i 8.524033961844559 5.5117e-06 deg
node 94.48295902579585 4.7631e-05 deg
peri 166.086198197825 6.4326e-05 deg
M 347.9796542504739 4.1645e-05 deg
tp 2459255.810317996400
(2021-Feb-10.31031800)
0.00019157 TDB
period 1656.500977061252
4.54
3.4853e-05
9.542e-08
d
yr
n .2173255585026367 4.5725e-09 deg/d
Q 2.967661041702903 4.1626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      8925 days (24.44 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:24  

Additional Information
 Earth MOID = 1.4956 au 
 Jupiter MOID = 2.09297 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 16.56   n/a E2021B25  

385174 (2013 WL2)          Discovered 2010-Mar-14 by WISE at WISE
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2013 WL2 = 2010 EA159 = 2011 EZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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