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JPL Small-Body Database Browser
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392489 (2011 KM8)
Classification: Main-belt Asteroid          SPK-ID: 2392489
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272896552744276 5.0468e-08  
a 2.319675710353461 2.4341e-08 au
q 1.792437417798759 1.1074e-07 au
i 5.026193189753325 1.1245e-05 deg
node 175.3088436554778 7.1538e-05 deg
peri 123.2910925113514 7.8698e-05 deg
M 51.53294724777673 2.8611e-05 deg
tp 2458415.776639935611
(2018-Oct-24.27663994)
0.00010212 TDB
period 1290.444524809304
3.53
2.0312e-05
5.561e-08
d
yr
n .2789736351147672 4.391e-09 deg/d
Q 2.846914002908162 2.9874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      2000-03-03  
   last obs. used      2018-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66595  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:56:37  

Additional Information
 Earth MOID = .78224 au 
 Jupiter MOID = 2.39474 au 
 T_jup = 3.539 
[ 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 17.8   n/a MPO450378  

392489 (2011 KM8)          Discovered 2007-Feb-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 KM8 = 2008 UA333 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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