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437208 (2012 WD11)
Classification: Main-belt Asteroid          SPK-ID: 2437208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194304932505048 5.0166e-08  
a 2.556099611347424 3.8967e-08 au
q 2.059436848888383 1.4755e-07 au
i 2.704261246785677 5.5889e-06 deg
node 121.7406449510345 0.00021892 deg
peri 203.0835555796108 0.00022148 deg
M 14.17153448879509 3.6759e-05 deg
tp 2458941.740314100888
(2020-Apr-02.24031410)
0.00015191 TDB
period 1492.674412951219
4.09
3.4133e-05
9.345e-08
d
yr
n .2411778462044052 5.5151e-09 deg/d
Q 3.052762373806465 4.6539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-12-01  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:09:07  

Additional Information
 Earth MOID = 1.04771 au 
 Jupiter MOID = 2.28016 au 
 T_jup = 3.409 
[ 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 17.2   n/a MPO437695  

437208 (2012 WD11)          Discovered 2008-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 WD11 = 2008 UN289 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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