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379909 (2012 JF37)
Classification: Main-belt Asteroid          SPK-ID: 2379909
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311743192468797 5.1565e-08  
a 2.58209014158123 2.5259e-08 au
q 2.243386225025233 1.3952e-07 au
i 4.05908514423353 5.4844e-06 deg
node 109.5682707663896 0.00010337 deg
peri 184.9656770647881 0.00010746 deg
M 296.5951838276474 3.2551e-05 deg
tp 2459267.416408882614
(2021-Feb-21.91640888)
0.00013846 TDB
period 1515.498553556891
4.15
2.2238e-05
6.088e-08
d
yr
n .2375455912874851 3.4857e-09 deg/d
Q 2.920794058137227 2.8572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5259 days (14.40 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:31:23  

Additional Information
 Earth MOID = 1.22736 au 
 Jupiter MOID = 2.25293 au 
 T_jup = 3.408 
[ 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 17.2   n/a MPO423399  

379909 (2012 JF37)          Discovered 2005-Dec-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2012 JF37 = 2009 WF21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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