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(2012 KN11)
Classification: Apollo [NEO]          SPK-ID: 3604483
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6562048449056106 0.00020237  
a 2.096428923678128 0.00096177 au
q .720742106960286 9.459e-05 au
i 5.435846550577392 0.0017327 deg
node 261.1855855747889 0.0023533 deg
peri 238.029367400787 0.0015012 deg
M 257.0982830067181 0.70338 deg
tp 2459317.412056580773
(2021-Apr-12.91205658)
2.3843 TDB
period 1108.71172709904
3.04
0.76296
0.002089
d
yr
n .3247011745261731 0.00022344 deg/d
Q 3.47211574039597 0.0015929 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      25 days  
   first obs. used      2012-05-19  
   last obs. used      2012-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45083  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:49:44  

Additional Information
 Earth MOID = .0210071 au 
 Jupiter MOID = 1.62499 au 
 T_jup = 3.436 
[ 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 21.9   n/a MPO235401  

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