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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 129 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4100436016517027 3.0075e-08  
a 1.380394713577149 2.7641e-09 au
q .8143726935210041 4.1144e-08 au
i 8.930661449233661 4.3174e-06 deg
node 109.3330818441084 7.593e-06 deg
peri 293.3012478650687 9.5436e-06 deg
M 134.794630702672 2.6146e-06 deg
tp 2459174.693918009482
(2020-Nov-21.19391801)
4.7795e-06 TDB
period 592.3840519487669
1.62
1.7793e-06
4.871e-09
d
yr
n .6077138620050747 1.8253e-09 deg/d
Q 1.946416733633293 3.8975e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      6880 days (18.84 yr)  
   first obs. used      2002-06-01  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .30671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:27:01  

Additional Information
 Earth MOID = .00217393 au 
 Jupiter MOID = 3.48759 au 
 T_jup = 4.698 
[ 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 19.70   n/a MPCxxxxx  

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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