+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10098 (1991 SC1) Classification: Main-belt Asteroid          SPK-ID: 2010098 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO247457 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0872771 n/a   a 3.0265345 n/a AU q 2.7623873 n/a AU i 10.43218 n/a deg node 42.52073 n/a deg peri 293.24543 n/a deg M 45.03867 n/a deg tp 2456159.8976066 (2012-Aug-20.39760660) n/a JED period 1923.1665065 5.27 n/a n/a d yr n 0.18719128 n/a deg/d Q 3.2906817 n/a AU   Orbit Determination Parameters    # obs. used (total)      823      first obs. used      1981-??-??      last obs. used      2012-12-07      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.214  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.9 mag n/a PDS3 (MPC 33881)   10098 (1991 SC1)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring (413) Reference: 19990302/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 SC1 = 1981 SH8 = 1996 QE2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 08:40 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin