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(2012 KA)
Classification: Apollo [NEO]          SPK-ID: 3604179
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4171371084860759 0.00029804  
a 1.522889019699243 0.00072418 au
q .8876354974767062 3.1842e-05 au
i 19.0229743129192 0.0095373 deg
node 56.85520760263964 4.8559e-05 deg
peri 234.6633741359532 0.0081957 deg
M 77.03557474905833 1.0861 deg
tp 2458853.610877559276
(2020-Jan-05.11087756)		 1.9661 TDB
period 686.4371980207388
1.88		 0.48963
0.001341		 d
yr
n .5244471031552745 0.00037409 deg/d
Q 2.158142541921781 0.0010263 au
   Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2012-05-16  
   last obs. used      2012-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .8822  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:49:48  

Additional Information
 Earth MOID = .00143461 au 
 Jupiter MOID = 3.12516 au 
 T_jup = 4.346 
[ 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 28.6   n/a MPO231379  

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