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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028773943952309 8.0402e-08  
a 3.025728375438939 3.0321e-08 au
q 2.714449324026066 2.3656e-07 au
i 9.421768901907516 7.7977e-06 deg
node 321.3187586363443 3.9861e-05 deg
peri 36.03253656263041 5.0273e-05 deg
M 194.0789057240338 3.354e-05 deg
tp 2458486.517778919111
(2019-Jan-03.01777892)
0.00018413 JED
period 1922.398124257564
5.26
2.8896e-05
7.911e-08
d
yr
n .1872661003240591 2.8149e-09 deg/d
Q 3.337007426851811 3.344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      16300 days (44.63 yr)  
   first obs. used      1971-08-30  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52324  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:14:44  

Additional Information
 Earth MOID = 1.71468 au 
 Jupiter MOID = 2.08069 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 12.5 mag n/a MPO365402  

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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