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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031672618586692 8.3244e-08  
a 3.021120474175539 3.4837e-08 AU
q 2.709439747109684 2.4283e-07 AU
i 9.445984699192913 8.043e-06 deg
node 321.3806230205082 4.8001e-05 deg
peri 34.38164469441285 6.2131e-05 deg
M 83.44593417018983 3.7345e-05 deg
tp 2456555.916671294963
(2013-Sep-20.41667130)
0.00019914 JED
period 1918.008347864952
5.25
3.3175e-05
9.083e-08
d
yr
n .1876946992440034 3.2465e-09 deg/d
Q 3.332801201241394 3.8431e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      15904 days (43.54 yr)  
   first obs. used      1971-08-30  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53187  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:44:42  

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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