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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08450895871045168 1.1423e-07  
a 3.156135508001517 6.4579e-08 AU
q 2.889413782671226 3.3934e-07 AU
i 9.643201575058331 1.6013e-05 deg
node 168.882247898358 5.3014e-05 deg
peri 253.0674910333759 0.00010741 deg
M 149.9281341827476 9.0319e-05 deg
tp 2456147.571700187285
(2012-Aug-08.07170019)
0.00051187 JED
period 2048.009131883872
5.61
6.2858e-05
1.721e-07
d
yr
n .1757804662076151 5.3951e-09 deg/d
Q 3.422857233331808 7.0036e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      1997-03-15  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56203  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 12:26:26  

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 15.7 mag n/a MPO248646  

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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