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JPL Small-Body Database Browser
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359326 (2009 KN20)
Classification: Main-belt Asteroid          SPK-ID: 2359326
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08864934291159129 4.7135e-08  
a 2.668394610276553 3.2622e-08 au
q 2.431843181446705 1.3891e-07 au
i 7.669962236086928 5.4832e-06 deg
node 83.76931000456432 4.8262e-05 deg
peri 37.47914329721866 6.3541e-05 deg
M 211.9838311783028 4.3878e-05 deg
tp 2459255.106279701016
(2021-Feb-09.60627970)
0.00019988 TDB
period 1592.111608943504
4.36
2.9196e-05
7.993e-08
d
yr
n .2261148012348766 4.1465e-09 deg/d
Q 2.904946039106401 3.5514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      5705 days (15.62 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:16:26  

Additional Information
 Earth MOID = 1.45334 au 
 Jupiter MOID = 2.183 au 
 T_jup = 3.364 
[ 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 16.7   n/a MPO303219  

359326 (2009 KN20)          Discovered 2009-May-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2009 KN20 = 2004 EK112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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