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12657 Bonch-Bruevich (1971 QO1)
Classification: Main-belt Asteroid          SPK-ID: 2012657
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031672447815534 8.7771e-08  
a 3.021120485380989 3.7643e-08 AU
q 2.709439808751123 2.6135e-07 AU
i 9.445986638956311 8.854e-06 deg
node 321.3806356956448 5.1207e-05 deg
peri 34.3816286900751 6.4819e-05 deg
M 83.44593350593195 3.7612e-05 deg
tp 2456555.916672360532
(2013-Sep-20.41667236)
0.00020083 JED
period 1918.0083585359
5.25
3.5847e-05
9.814e-08
d
yr
n .1876946981997533 3.508e-09 deg/d
Q 3.332801162010855 4.1526e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      15766 days (43.16 yr)  
   first obs. used      1971-08-30  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53914  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:17:55  

Additional Information
 Earth MOID = 1.71003 AU 
 T_jup = 3.218 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO263462  

12657 Bonch-Bruevich           Discovered 1971 Aug. 30 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Aleksej Mikhajlovich Bonch-Bruevich (b. 1916), a corresponding member of the Russian Academy of Sciences, is renowned for his research in the field of laser radiation interaction with absorbing and transparent environments. He is founder of a new scientific branch on power optics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1971 QO1 = 1971 SC4 = 1982 VV1 = 1984 CE1 = 1998 XA32 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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