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437211 (2012 WF13)
Classification: Main-belt Asteroid          SPK-ID: 2437211
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408988306107094 9.8602e-08  
a 2.73170182200698 4.8308e-08 au
q 2.346808229709052 2.8983e-07 au
i 10.57605398302295 1.1021e-05 deg
node 74.88355472126614 4.7919e-05 deg
peri 203.0478265253643 6.4129e-05 deg
M 12.06571548687963 4.6007e-05 deg
tp 2458945.228793484141
(2020-Apr-05.72879348)
0.00020993 TDB
period 1649.105216126311
4.52
4.3745e-05
1.198e-07
d
yr
n .2183002009087249 5.7907e-09 deg/d
Q 3.116595414304907 5.5114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4746 days (12.99 yr)  
   first obs. used      2006-04-26  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:58:50  

Additional Information
 Earth MOID = 1.3344 au 
 Jupiter MOID = 2.00118 au 
 T_jup = 3.315 
[ 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 16.7   n/a MPO472424  
diameter diameter 2.605 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437211 (2012 WF13)          Discovered 2006-Apr-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2012 WF13 = 2010 LK94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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