+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10945 (1999 GS9) Classification: Main-belt Asteroid          SPK-ID: 2010945 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256945 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0410670 n/a   a 3.0658637 n/a AU q 2.9399579 n/a AU i 10.63000 n/a deg node 102.19492 n/a deg peri 63.33305 n/a deg M 264.32521 n/a deg tp 2456921.6019663 (2014-Sep-21.10196630) n/a JED period 1960.7747021 5.37 n/a n/a d yr n 0.18360090 n/a deg/d Q 3.1917695 n/a AU   Orbit Determination Parameters    # obs. used (total)      798      first obs. used      1988-??-??      last obs. used      2013-03-05      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.205  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.8 mag n/a PDS3 (MPC 34809)   Alternate Designations  1999 GS9 = 1988 FD1 = 1998 BJ40  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-25 03:47 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin