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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948501389759171 5.0356e-08  
a 2.556438153126897 3.8823e-08 au
q 2.058315823706784 1.4777e-07 au
i 2.703432754523088 5.6593e-06 deg
node 121.7551800255407 0.0002192 deg
peri 203.2076393875591 0.00022174 deg
M 277.6434897530647 3.6015e-05 deg
tp 2458942.044107830590
(2020-Apr-02.54410783)		 0.00015202 TDB
period 1492.970967933746
4.09		 3.4009e-05
9.311e-08		 d
yr
n .2411299400538483 5.4928e-09 deg/d
Q 3.05456048254701 4.6387e-08 au
   Orbit Determination Parameters
   # obs. used (total)      144  
   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      .57937  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:25  

Additional Information
 Earth MOID = 1.04573 au 
 Jupiter MOID = 2.2763 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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