+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5514 (1989 BN1) Classification: Main-belt Asteroid          SPK-ID: 2005514 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256904 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1758804 n/a   a 2.5641255 n/a AU q 2.1131461 n/a AU i 6.53161 n/a deg node 149.98748 n/a deg peri 304.32229 n/a deg M 348.70509 n/a deg tp 2456447.5530320 (2013-Jun-04.05303200) n/a JED period 1499.7101810 4.11 n/a n/a d yr n 0.24004638 n/a deg/d Q 3.0151049 n/a AU   Orbit Determination Parameters    # obs. used (total)      829      first obs. used      1971-??-??      last obs. used      2013-03-05      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.402  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.5 mag n/a PDS3 (MPC 21917)   5514 (1989 BN1)          Discovered 1989-Jan-29 by Vavrova, Z. at Klet Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1989 BN1 = 1971 UO2 = 1975 TB7 = 1985 DG3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 09:26 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin