+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   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 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1895407911388685 2.1309e-07   a 3.154994057144287 1.8207e-07 AU q 2.55699398751473 7.915e-07 AU i 9.493293144674244 1.6554e-05 deg node 174.0110282039516 7.3995e-05 deg peri 311.0684839474488 8.3182e-05 deg M 346.4184570568423 4.034e-05 deg tp 2456477.722321867386 (2013-Jul-04.22232187) 0.00023271 JED period 2046.898205057365 5.60 0.00017719 4.851e-07 d yr n .1758758687220163 1.5225e-08 deg/d Q 3.752994126773844 2.1659e-07 AU   Orbit Determination Parameters    # obs. used (total)      133      data-arc span      3646 days (9.98 yr)      first obs. used      2003-04-11      last obs. used      2013-04-04      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .59529      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 22:44:27   Additional Information  Earth MOID = 1.58342 AU   T_jup = 3.157  [ 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 15.278 mag .58474 1 autocmod 2.5c 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.arc Last 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 ] 2013-May-19 11:50 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin