+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   8073 Johnharmon (1982 BS) Classification: Main-belt Asteroid          SPK-ID: 2008073 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240267 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1668599 n/a   a 2.5932117 n/a AU q 2.1605087 n/a AU i 12.73865 n/a deg node 296.24858 n/a deg peri 119.26001 n/a deg M 235.07150 n/a deg tp 2456929.8152346 (2014-Sep-29.31523460) n/a JED period 1525.3003475 4.18 n/a n/a d yr n 0.23601909 n/a deg/d Q 3.0259147 n/a AU   Orbit Determination Parameters    # obs. used (total)      833      first obs. used      1953-??-??      last obs. used      2012-09-10      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.364  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.9 mag n/a PDS3 (MPC 30961)   8073 Johnharmon           Discovered 1982 Jan. 24 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory. John K. Harmon (b. 1948), scientist at the Arecibo Observatory, has for two decades made outstanding contributions to planetary radar astronomy of Mars, Mercury, the Galilean satellites and comets. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010109/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  1982 BS = 1986 AD2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 10:05 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin