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437210 (2012 WB12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2437210
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684719984249878 9.3438e-08  
a 3.237504993606018 1.5268e-07 au
q 2.692076057422335 2.8019e-07 au
i 25.99665640487258 1.9611e-05 deg
node 238.4034411769323 1.7597e-05 deg
peri 308.4360211356433 5.7842e-05 deg
M 357.8271310360118 6.085e-05 deg
tp 2459013.342368672901
(2020-Jun-12.84236867)
0.00036012 TDB
period 2127.71814539555
5.83
0.00015052
4.121e-07
d
yr
n .169195342333782 1.1969e-08 deg/d
Q 3.782933929789702 1.784e-07 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      3477 days (9.52 yr)  
   first obs. used      2009-05-28  
   last obs. used      2018-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:55:24  

Additional Information
 Earth MOID = 1.75266 au 
 Jupiter MOID = 1.45591 au 
 T_jup = 3.005 
[ 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 15.8   n/a MPO423573  

437210 (2012 WB12)          Discovered 2010-May-10 by WISE at WISE
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2012 WB12 = 2010 JX80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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