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437209 (2012 WH11)
Classification: Main-belt Asteroid          SPK-ID: 2437209
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06271254497176204 6.3203e-08  
a 2.918518734153988 5.6829e-08 au
q 2.735490996787426 2.0388e-07 au
i 12.84131051421354 1.5294e-05 deg
node 66.39305470390907 3.5239e-05 deg
peri 262.7036146851433 0.00012967 deg
M 263.6429286691605 0.00012518 deg
tp 2459487.942335357672
(2021-Sep-30.44233536)
0.00063414 TDB
period 1821.1350584355
4.99
5.3191e-05
1.456e-07
d
yr
n .1976789136711632 5.7738e-09 deg/d
Q 3.10154647152055 6.0393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      5490 days (15.03 yr)  
   first obs. used      2005-04-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:03  

Additional Information
 Earth MOID = 1.76109 au 
 Jupiter MOID = 2.11742 au 
 T_jup = 3.240 
[ 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 16.7   n/a MPO434607  

437209 (2012 WH11)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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