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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888407824223657 9.1431e-08  
a 3.153282331923707 7.5448e-08 AU
q 2.557814029164613 2.9454e-07 AU
i 9.49507347326688 1.3442e-05 deg
node 173.9901999943118 5.6247e-05 deg
peri 311.1511000851768 6.569e-05 deg
M 91.98853036843077 3.3148e-05 deg
tp 2456477.894600177713
(2013-Jul-04.39460018)
0.0001845 JED
period 2045.232630443128
5.60
7.3404e-05
2.01e-07
d
yr
n .1760190966256983 6.3174e-09 deg/d
Q 3.748750634682802 8.9696e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      4042 days (11.07 yr)  
   first obs. used      2003-04-11  
   last obs. used      2014-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 11:33:03  

Additional Information
 Earth MOID = 1.58481 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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