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300909 Kenthompson (2008 BZ45)
Classification: Main-belt Asteroid          SPK-ID: 2300909
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0845088918828128 1.0233e-07  
a 3.156135483226144 6.1693e-08 AU
q 2.889413970906677 3.0787e-07 AU
i 9.643210263779272 1.3566e-05 deg
node 168.882242848248 5.2783e-05 deg
peri 253.0675633020543 9.3011e-05 deg
M 149.9280763348573 7.7649e-05 deg
tp 2456147.572039322081
(2012-Aug-08.07203932)
0.00043476 JED
period 2048.009107768848
5.61
6.0048e-05
1.644e-07
d
yr
n .1757804682774057 5.1539e-09 deg/d
Q 3.422856995545611 6.6906e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      1997-03-15  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-05 03:22:02  

Additional Information
 Earth MOID = 1.92005 AU 
 T_jup = 3.179 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO338955  

300909 Kenthompson           Discovered 2008 Jan. 30 by T. Glinos and D. H. Levy at the Jarnac Observatory, Vail.
Kenneth Lane Thompson (b. 1943) is a computer scientist and winner of the Turing, Hamming Medal, National Medal of Technology and Japan Prize awards. He created the B programming language, the UTF-8 character encoding and the Belle chess machine, and was co-creator of the UNIX and Plan 9 operating systems.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 2008 BZ45 = 2003 FO71 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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