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(2009 KK)
Classification: Apollo [NEO, PHA]          SPK-ID: 3460260
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4553660323980759 8.8286e-08  
a 1.50220781774745 1.5747e-08 au
q .818153403942422 1.3106e-07 au
i 18.21589831667786 2.75e-05 deg
node 68.15182921975317 2.4963e-05 deg
peri 247.3110377616602 3.3193e-05 deg
M 318.9351280445004 3.7794e-05 deg
tp 2459077.211667954029
(2020-Aug-15.71166795)
7.1754e-05 TDB
period 672.5018038136575
1.84
1.0574e-05
2.895e-08
d
yr
n .5353145492822379 8.4173e-09 deg/d
Q 2.186262231552479 2.2918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      4019 days (11.00 yr)  
   first obs. used      2009-05-17  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-19 17:33:05  

Additional Information
 Earth MOID = .000509962 au 
 Jupiter MOID = 3.23745 au 
 T_jup = 4.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.5   n/a MPO218092  

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