+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   43849 (1993 RB11) Classification: Main-belt Asteroid          SPK-ID: 2043849 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257170 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1581107 n/a   a 2.7821817 n/a AU q 2.3422890 n/a AU i 8.93141 n/a deg node 178.38176 n/a deg peri 227.95740 n/a deg M 40.09212 n/a deg tp 2456211.7299126 (2012-Oct-11.22991260) n/a JED period 1695.0271388 4.64 n/a n/a d yr n 0.21238598 n/a deg/d Q 3.2220744 n/a AU   Orbit Determination Parameters    # obs. used (total)      415      first obs. used      1993-??-??      last obs. used      2013-03-07      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.297  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6 mag n/a MPO257170   43849 (1993 RB11)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla (809) Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 RB11 = 1998 UB29  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 00:56 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin