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JPL Small-Body Database Browser
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382136 (2011 KN21)
Classification: Main-belt Asteroid          SPK-ID: 2382136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038532484034008 6.6869e-08  
a 2.557735294683124 2.6703e-08 au
q 2.292106175774252 1.7557e-07 au
i 16.3120026771178 7.582e-06 deg
node 230.9874376361842 1.509e-05 deg
peri 324.2326630579108 3.2468e-05 deg
M 19.43119083286855 2.7208e-05 deg
tp 2458519.854760180876
(2019-Feb-05.35476018)
0.00011302 TDB
period 1494.107416503542
4.09
2.3398e-05
6.406e-08
d
yr
n .2409465317041659 3.7733e-09 deg/d
Q 2.823364413591996 2.9476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      5384 days (14.74 yr)  
   first obs. used      2004-10-06  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:24  

Additional Information
 Earth MOID = 1.30331 au 
 Jupiter MOID = 2.19927 au 
 T_jup = 3.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO437564  

382136 (2011 KN21)          Discovered 2008-Sep-24 by CSS at Catalina
Reference: Last Updated: 2013-12-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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