+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23442 (1986 QJ2) Classification: Main-belt Asteroid          SPK-ID: 2023442 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO229215 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1404397 n/a   a 3.1174098 n/a AU q 2.6796017 n/a AU i 4.57946 n/a deg node 5.36839 n/a deg peri 269.60536 n/a deg M 346.07447 n/a deg tp 2456478.2675655 (2013-Jul-04.76756550) n/a JED period 2010.4314587 5.50 n/a n/a d yr n 0.17906604 n/a deg/d Q 3.5552179 n/a AU   Orbit Determination Parameters    # obs. used (total)      686      first obs. used      1951-??-??      last obs. used      2012-04-21      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.197  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.3 mag n/a PDS3 (MPO 11086)   23442 (1986 QJ2)          Discovered 1986-Aug-28 by Debehogne, H. at La Silla (809) Reference: 20010408/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1986 QJ2 = 1990 FZ2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 22:08 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin