+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   13047 (1990 RJ5) Classification: Main-belt Asteroid          SPK-ID: 2013047 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250341 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1466094 n/a   a 2.5296532 n/a AU q 2.1587823 n/a AU i 2.80457 n/a deg node 267.07027 n/a deg peri 184.34949 n/a deg M 145.67120 n/a deg tp 2455805.8504466 (2011-Sep-01.35044660) n/a JED period 1469.5687220 4.02 n/a n/a d yr n 0.24496983 n/a deg/d Q 2.9005241 n/a AU   Orbit Determination Parameters    # obs. used (total)      811      first obs. used      1990-??-??      last obs. used      2012-06-11      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.435  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.1 mag n/a PDS3 (MPC 37499)   13047 (1990 RJ5)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar (675) Reference: 20000124/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 RJ5 = 1994 SM  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 08:16 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin