+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5408 The (1232 T-1) Classification: Main-belt Asteroid          SPK-ID: 2005408 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250260 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1390158 n/a   a 2.2607836 n/a AU q 1.9464990 n/a AU i 4.08013 n/a deg node 207.25088 n/a deg peri 341.77152 n/a deg M 129.95059 n/a deg tp 2455952.3094692 (2012-Jan-25.80946920) n/a JED period 1241.6149175 3.40 n/a n/a d yr n 0.28994497 n/a deg/d Q 2.5750682 n/a AU   Orbit Determination Parameters    # obs. used (total)      1058      first obs. used      1954-??-??      last obs. used      2012-08-13      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.604  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.0 mag n/a PDS3 (MPC 28113)   5408 The (1232 T-1)          Discovered 1971-Mar-25 by van Houten and Gehrels at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1232 T-1 = 1954 EL = 1978 JA2 = 1986 UP2 = 1988 GA  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 02:22 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin