+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   32784 (1989 AR) Classification: Main-belt Asteroid          SPK-ID: 2032784 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO244474 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2562575 n/a   a 2.5926743 n/a AU q 1.9282821 n/a AU i 7.84579 n/a deg node 96.40435 n/a deg peri 355.55266 n/a deg M 296.31462 n/a deg tp 2456670.2476120 (2014-Jan-12.74761200) n/a JED period 1524.8262683 4.17 n/a n/a d yr n 0.23609247 n/a deg/d Q 3.2570665 n/a AU   Orbit Determination Parameters    # obs. used (total)      564      first obs. used      1988-??-??      last obs. used      2012-11-02      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.359  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.3 mag n/a PDS3 (MPO 21188)   32784 (1989 AR)          Discovered 1989-Jan-04 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20020128/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1989 AR = 1998 HW105  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 13:29 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin