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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311743174197627 5.0307e-08  
a 2.582090140018586 2.3396e-08 au
q 2.243386228385349 1.3794e-07 au
i 4.059086095462021 4.9643e-06 deg
node 109.5682718981455 0.00010334 deg
peri 184.9656758919006 0.00010743 deg
M 296.5951843947785 3.246e-05 deg
tp 2459267.416406252851
(2021-Feb-21.91640625)		 0.00013797 TDB
period 1515.498552181154
4.15		 2.0597e-05
5.639e-08		 d
yr
n .2375455915031238 3.2285e-09 deg/d
Q 2.920794051651824 2.6465e-08 au
   Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5284 days (14.47 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:00:56  

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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