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332446 (2008 AF4)
Classification: Apollo [NEO, PHA]          SPK-ID: 2332446
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 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .410648345637827 6.0899e-08  
a 1.382613169326306 8.8952e-09 au
q .8148453586853857 8.8401e-08 au
i 8.921261441419446 6.3593e-06 deg
node 109.3518185758893 1.4849e-05 deg
peri 293.4442192350116 1.7662e-05 deg
M 254.3365261754953 3.1523e-05 deg
tp 2459174.789749010322
(2020-Nov-21.28974901)
5.3603e-05 TDB
period 593.8126712351626
1.63
5.7305e-06
1.569e-08
d
yr
n .6062517986542464 5.8506e-09 deg/d
Q 1.950380979967226 1.2548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      6613 days (18.11 yr)  
   first obs. used      2002-06-01  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-10 06:34:07  

Additional Information
 Earth MOID = .0020407 au 
 Jupiter MOID = 3.48108 au 
 T_jup = 4.692 
[ 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 19.7   n/a MPO440511  

332446 (2008 AF4)          Discovered 2008-Jan-10 by LINEAR at Socorro
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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