+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   8689 (1992 PU3) Classification: Main-belt Asteroid          SPK-ID: 2008689 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO236443 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1618922 n/a   a 2.2496625 n/a AU q 1.8854597 n/a AU i 2.11539 n/a deg node 84.98387 n/a deg peri 247.83639 n/a deg M 39.77198 n/a deg tp 2456264.3401093 (2012-Dec-02.84010930) n/a JED period 1232.4646808 3.37 n/a n/a d yr n 0.29209762 n/a deg/d Q 2.6138653 n/a AU   Orbit Determination Parameters    # obs. used (total)      813      first obs. used      1972-??-??      last obs. used      2012-08-21      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.610  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.9 mag n/a PDS3 (MPC 31684)   8689 (1992 PU3)          Discovered 1992-Aug-05 by Holt, H. E. at Palomar (675) Reference: 19980511/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1992 PU3 = 1972 TY6 = 1982 SP9 = 1996 XF9  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 12:38 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin