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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025748479780847 8.2397e-08  
a 3.026330843031506 3.442e-08 au
q 2.71590541687616 2.3994e-07 au
i 9.436886420732392 7.9982e-06 deg
node 321.3779628836319 4.6603e-05 deg
peri 35.44082770667706 6.0325e-05 deg
M 157.2848355040477 3.689e-05 deg
tp 2456560.348930474968
(2013-Sep-24.84893047)
0.0001968 JED
period 1922.972319993481
5.26
3.2806e-05
8.982e-08
d
yr
n .1872101830364466 3.1939e-09 deg/d
Q 3.336756269186852 3.7951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      16181 days (44.30 yr)  
   first obs. used      1971-08-30  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52824  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:21:33  

Additional Information
 Earth MOID = 1.71485 au 
 Jupiter MOID = 2.07773 au 
 T_jup = 3.216 
[ 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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