+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48539 (1993 SD11) Classification: Main-belt Asteroid          SPK-ID: 2048539 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257194 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1069186 n/a   a 2.7528350 n/a AU q 2.4585057 n/a AU i 2.91775 n/a deg node 349.87602 n/a deg peri 84.12700 n/a deg M 46.64276 n/a deg tp 2456184.3523836 (2012-Sep-13.85238360) n/a JED period 1668.2791048 4.57 n/a n/a d yr n 0.21579123 n/a deg/d Q 3.0471643 n/a AU   Orbit Determination Parameters    # obs. used (total)      491      first obs. used      1991-??-??      last obs. used      2013-03-03      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.335  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.7 mag n/a MPO257194   48539 (1993 SD11)          Discovered 1993-Sep-22 by Debehogne, H., Elst, E. W. at La Silla (809) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 SD11 = 2000 EV61  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 06:49 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin