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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6557230624936347 0.00019695  
a 2.09704109875961 0.00097199 au
q .7219628873059418 7.9611e-05 au
i 5.43605917851853 0.0017398 deg
node 261.1943175334379 0.002233 deg
peri 238.0309976222225 0.0015035 deg
M 127.1948282671718 0.61356 deg
tp 2458208.599522652440
(2018-Mar-31.09952265)
1.618 TDB
period 1109.197392434662
3.04
0.77118
0.002111
d
yr
n .3245590031633672 0.00022565 deg/d
Q 3.472119310213278 0.0016094 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 = .0207966 au 
 Jupiter MOID = 1.62635 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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