+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6303 (1989 EL2) Classification: Main-belt Asteroid          SPK-ID: 2006303 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250270 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1034781 n/a   a 2.1883892 n/a AU q 1.9619388 n/a AU i 4.49304 n/a deg node 24.26511 n/a deg peri 223.95038 n/a deg M 92.57097 n/a deg tp 2456096.4411975 (2012-Jun-17.94119750) n/a JED period 1182.4567562 3.24 n/a n/a d yr n 0.30445088 n/a deg/d Q 2.4148396 n/a AU   Orbit Determination Parameters    # obs. used (total)      1045      first obs. used      1989-??-??      last obs. used      2012-08-04      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.664  [ 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 25048)   6303 (1989 EL2)          Discovered 1989-Mar-12 by Ueda & Kaneda at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1989 EL2 = 1990 RY1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 23:35 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin