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294727 Dennisritchie (2008 BV41)
Classification: Main-belt Asteroid          SPK-ID: 2294727
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885920517531036 8.7022e-08  
a 3.154428158105121 7.2983e-08 au
q 2.559528079660312 2.7559e-07 au
i 9.495135811293501 1.1249e-05 deg
node 173.9779718083746 5.6016e-05 deg
peri 311.257800253368 6.3141e-05 deg
M 162.2751104247293 3.1816e-05 deg
tp 2456478.079809121734
(2013-Jul-04.57980912)
0.00016891 JED
period 2046.347513472843
5.60
7.1019e-05
1.944e-07
d
yr
n .1759231985915463 6.1054e-09 deg/d
Q 3.749328236549929 8.6747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      4482 days (12.27 yr)  
   first obs. used      2003-04-11  
   last obs. used      2015-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59642  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 20:51:36  

Additional Information
 Earth MOID = 1.58629 au 
 Jupiter MOID = 1.39848 au 
 T_jup = 3.158 
[ 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 15.4 mag n/a MPO260562  

294727 Dennisritchie           Discovered 2008 Jan. 31 by T. Glinos and D. H. Levy at the Jarnac Observatory, Vail.
Dennis MacAlistair Ritchie (1941-2011) was a computer scientist and winner of the Turing, Hamming Medal and National Medal of Technology awards. He created the C programming language and was co-creator of the UNIX operating system.
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 BV41 = 2003 HK35 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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