+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9404 (1994 UQ11) Classification: Main-belt Asteroid          SPK-ID: 2009404 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253429 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0936708 n/a   a 2.7463214 n/a AU q 2.4890713 n/a AU i 4.97587 n/a deg node 21.49958 n/a deg peri 67.57518 n/a deg M 338.39114 n/a deg tp 2456500.2826047 (2013-Jul-26.78260470) n/a JED period 1662.3615351 4.55 n/a n/a d yr n 0.21655939 n/a deg/d Q 3.0035715 n/a AU   Orbit Determination Parameters    # obs. used (total)      863      first obs. used      1989-??-??      last obs. used      2013-02-06      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.336  [ 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 (MPC 32631)   9404 (1994 UQ11)          Discovered 1994-Oct-26 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19981005/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 UQ11 = 1989 SS8 = 1992 GR4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 21:13 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin