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379559 (2011 AF57)
Classification: Main-belt Asteroid          SPK-ID: 2379559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415110359635033 5.9854e-08  
a 2.38115823230642 1.8526e-08 au
q 2.044198064059715 1.3644e-07 au
i 2.367655711897829 6.4827e-06 deg
node 96.85691785083084 0.00013187 deg
peri 114.7506067318154 0.00013592 deg
M 122.2555723937377 2.6117e-05 deg
tp 2458544.728700661833
(2019-Mar-02.22870066)
9.827e-05 TDB
period 1342.087436581702
3.67
1.5663e-05
4.288e-08
d
yr
n .2682388570128638 3.1305e-09 deg/d
Q 2.718118400553126 2.1148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6662 days (18.24 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:11:47  

Additional Information
 Earth MOID = 1.03966 au 
 Jupiter MOID = 2.24547 au 
 T_jup = 3.523 
[ 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 17.7   n/a MPO476777  

379559 (2011 AF57)          Discovered 2006-Dec-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 AF57 = 2012 LF12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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