+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   65682 (1990 QU2) Classification: Mars-crossing Asteroid          SPK-ID: 2065682 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO229416 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2469507 n/a   a 2.2117847 n/a AU q 1.6655829 n/a AU i 7.59766 n/a deg node 164.33640 n/a deg peri 176.99706 n/a deg M 318.91151 n/a deg tp 2456537.6293425 (2013-Sep-02.12934250) n/a JED period 1201.4693971 3.29 n/a n/a d yr n 0.29963310 n/a deg/d Q 2.7579865 n/a AU   Orbit Determination Parameters    # obs. used (total)      309      first obs. used      1990-??-??      last obs. used      2012-04-23      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.605  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.9 mag n/a MPO229416   65682 (1990 QU2)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar (675) Reference: 20030910/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 QU2 = 2000 RG4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 08:35 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin