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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08415302461616525 9.6608e-08  
a 3.157183846201834 6.0392e-08 au
q 2.891497276274652 2.93e-07 au
i 9.642901537004033 1.1499e-05 deg
node 168.873571340489 5.2772e-05 deg
peri 253.0123656018593 8.6188e-05 deg
M 220.2946390369691 7.2541e-05 deg
tp 2458195.667838083085
(2018-Mar-18.16783808)
0.00042368 JED
period 2049.029613012928
5.61
5.8792e-05
1.61e-07
d
yr
n .1756929220123129 5.0411e-09 deg/d
Q 3.422870416129017 6.5474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6670 days (18.26 yr)  
   first obs. used      1997-03-15  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56992  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 16:44:49  

Additional Information
 Earth MOID = 1.92143 au 
 Jupiter MOID = 1.89877 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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