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392587 (2011 SM195)
Classification: Main-belt Asteroid          SPK-ID: 2392587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528768147580476 4.8789e-08  
a 2.455240490460318 2.0776e-08 au
q 2.079891144813758 1.2213e-07 au
i .7931135784325882 6.0648e-06 deg
node 313.3220634696683 0.00070347 deg
peri 324.0724537042047 0.00070433 deg
M 154.5230023169465 3.9197e-05 deg
tp 2458397.343350234622
(2018-Oct-05.84335023)
0.00014936 TDB
period 1405.204342782322
3.85
1.7836e-05
4.883e-08
d
yr
n .2561904977372867 3.2518e-09 deg/d
Q 2.830589836106877 2.3953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-01-29  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:22  

Additional Information
 Earth MOID = 1.06353 au 
 Jupiter MOID = 2.28591 au 
 T_jup = 3.477 
[ 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 17.7   n/a MPO450379  

392587 (2011 SM195)          Discovered 2006-Jan-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 SM195 = 2006 EH68 = 2007 RT25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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