+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5840 Raybrown (1978 ON) Classification: Main-belt Asteroid          SPK-ID: 2005840 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ 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 .1056580400502666 7.9903e-08   a 2.746165390219981 2.4451e-08 AU q 2.456010937435463 2.1445e-07 AU i 3.355648211299322 7.7273e-06 deg node 25.51920275162729 8.9133e-05 deg peri 342.2586542205062 9.3681e-05 deg M 173.0464136854365 2.9547e-05 deg tp 2455601.496717626448 (2011-Feb-08.99671763) 0.00013197 JED period 1662.219837605837 4.55 2.2199e-05 6.078e-08 d yr n .2165778508085445 2.8925e-09 deg/d Q 3.0363198430045 2.7034e-08 AU   Orbit Determination Parameters    # obs. used (total)      1200      data-arc span      13137 days (35.97 yr)      first obs. used      1977-04-24      last obs. used      2013-04-12      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54199      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:18:50   Additional Information  Earth MOID = 1.45459 AU   T_jup = 3.337  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.2 mag n/a PDS3 (MPC 28114)   SMASSII spectral type spec_B Ld   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 5840 Raybrown           Discovered 1978 July 28 at the Perth Observatory, Bickley. A brilliant and influential jazz bassist, Raymond Matthews Brown (1926-2002) played in Dizzy Gillespie's band and later with the Oscar Peterson trio. For a while married to and musical director for Ella Fitzgerald, he was part of the L.A. Four in the 1970s and led the Ray Brown Trio from 1984 until the day he died. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060219/MPCPages.arc Last Updated: 2010-06-03 Alternate Designations  1978 ON = 1977 HT = 1988 VB4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 11:36 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin