+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5892 Milesdavis (1981 YS1) Classification: Mars-crossing Asteroid          SPK-ID: 2005892 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234875 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.3018170 n/a   a 2.3856144 n/a AU q 1.6655954 n/a AU i 4.58425 n/a deg node 153.77806 n/a deg peri 290.83265 n/a deg M 187.00474 n/a deg tp 2457047.2411354 (2015-Jan-24.74113540) n/a JED period 1345.8565786 3.68 n/a n/a d yr n 0.26748764 n/a deg/d Q 3.1056334 n/a AU   Orbit Determination Parameters    # obs. used (total)      993      first obs. used      1981-??-??      last obs. used      2012-07-16      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.49      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.468  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6 mag n/a PDS3 (MPC 23328)   rotation period rot_per 10.59 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Warner, B.D. (2004) Minor Planet Bul. 31, 36-39.] [Warner, B.D.; Ditteon, R. (2005) Minor Planet Bul. 32, 17-18.] SMASSII spectral type spec_B S   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) 5892 Milesdavis           Discovered 1981 Dec. 23 at the Purple Mountain Observatory. The distinctive sound of trumpeter Miles Dewey Davis (1926-1991) transcended the bebop era and moved into cool jazz, culminating with So What and the masterly 1959 Kind of Blue album with John Coltrane and Bill Evans. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20051215/MPCPages.arc Last Updated: 2006-03-22 Alternate Designations  1981 YS1 = 1971 BS1 = 1988 QG1 = 1988 UZ  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 22:23 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin