+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7785 (1994 QW) Classification: Main-belt Asteroid          SPK-ID: 2007785 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256921 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1110495 n/a   a 2.3028055 n/a AU q 2.0470801 n/a AU i 8.39429 n/a deg node 136.22292 n/a deg peri 215.34541 n/a deg M 111.28652 n/a deg tp 2456005.9297038 (2012-Mar-19.42970380) n/a JED period 1276.3927439 3.49 n/a n/a d yr n 0.28204485 n/a deg/d Q 2.5585309 n/a AU   Orbit Determination Parameters    # obs. used (total)      746      first obs. used      1987-??-??      last obs. used      2013-03-02      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.568  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.5 mag n/a PDS3 (MPC 30266)   7785 (1994 QW)          Discovered 1994-Aug-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1994 QW = 1987 RG2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 20:02 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin