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JPL Small-Body Database Browser
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392488 (2011 KN2)
Classification: Main-belt Asteroid          SPK-ID: 2392488
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 .1980031956932008 4.134e-08  
a 2.157346578163611 1.7393e-08 au
q 1.730185061469425 8.3472e-08 au
i 3.883800602932917 7.9862e-06 deg
node 82.53508868616638 0.00010046 deg
peri 236.1428113332553 0.0001067 deg
M 124.5037575128685 3.9732e-05 deg
tp 2458200.225185427377
(2018-Mar-22.72518543)
0.00012432 TDB
period 1157.386219699037
3.17
1.3996e-05
3.832e-08
d
yr
n .3110456940584737 3.7615e-09 deg/d
Q 2.584508094857798 2.0837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6978 days (19.10 yr)  
   first obs. used      1999-11-05  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:07:03  

Additional Information
 Earth MOID = .719799 au 
 Jupiter MOID = 2.71177 au 
 T_jup = 3.671 
[ 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 17.9   n/a MPO455786  

392488 (2011 KN2)          Discovered 1999-Nov-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 KN2 = 1999 VC124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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