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JPL Small-Body Database Browser
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379147 (2009 OF4)
Classification: Main-belt Asteroid          SPK-ID: 2379147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716062938388788 1.1962e-07  
a 2.32731238519823 3.3073e-08 au
q 1.927930932169041 2.8779e-07 au
i 4.796209784323862 1.1669e-05 deg
node 270.1005377275983 0.00023486 deg
peri 54.35329971987404 0.00024467 deg
M 259.8354081773641 8.2417e-05 deg
tp 2458961.321304845306
(2020-Apr-21.82130485)
0.00030314 TDB
period 1296.822234091663
3.55
2.7643e-05
7.568e-08
d
yr
n .2776016562147826 5.9174e-09 deg/d
Q 2.72669383822742 3.8748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      6082 days (16.65 yr)  
   first obs. used      2002-09-13  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:45:04  

Additional Information
 Earth MOID = .91946 au 
 Jupiter MOID = 2.59039 au 
 T_jup = 3.549 
[ 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 18.2   n/a MPO232571  

379147 (2009 OF4)          Discovered 2009-Jul-24 by Matson, R. at Sierra Stars
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 OF4 = 2006 WB79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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