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207935 (2009 AF)
Classification: Main-belt Asteroid          SPK-ID: 2207935
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236200358143631 5.5133e-08  
a 2.425855728728866 1.5822e-08 au
q 2.125971356662925 1.2857e-07 au
i 7.717734093068814 4.1239e-06 deg
node 102.4443732121277 3.8292e-05 deg
peri 275.1646778262427 4.1769e-05 deg
M 88.1122727864681 1.6235e-05 deg
tp 2458662.723226467398
(2019-Jun-28.22322647)
6.1737e-05 TDB
period 1380.053364035021
3.78
1.3501e-05
3.696e-08
d
yr
n .2608594778881786 2.552e-09 deg/d
Q 2.725740100794806 1.7777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1994-01-11  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 01:45:52  

Additional Information
 Earth MOID = 1.14451 au 
 Jupiter MOID = 2.75607 au 
 T_jup = 3.488 
[ 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 16.3   n/a MPO503072  

207935 (2009 AF)          Discovered 2009-Jan-01 by Lowe, A. at Mayhill
Reference: 20090209/Numbers.arcLast Updated: 2009-02-11

[ show close-approach data ]
Alternate Designations
 2009 AF = 2004 XK126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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