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392956 (2012 WK26)
Classification: Main-belt Asteroid          SPK-ID: 2392956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141539994164444 8.9215e-08  
a 2.73917459311829 5.1693e-08 au
q 2.426486858213925 2.401e-07 au
i 4.078141852778752 8.9294e-06 deg
node 292.4804677215086 0.00015983 deg
peri 131.5102241236968 0.00016865 deg
M 238.4782413014794 5.6666e-05 deg
tp 2459559.458473748439
(2021-Dec-10.95847375)
0.00026942 TDB
period 1655.876714627303
4.53
4.6874e-05
1.283e-07
d
yr
n .2174074898329777 6.1543e-09 deg/d
Q 3.051862328022655 5.7594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4252 days (11.64 yr)  
   first obs. used      2007-09-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:47:13  

Additional Information
 Earth MOID = 1.44231 au 
 Jupiter MOID = 2.22368 au 
 T_jup = 3.338 
[ 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 17.0   n/a MPO247264  

392956 (2012 WK26)          Discovered 2007-Sep-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 WK26 = 2009 BA86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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