+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5907 (1989 TU5) Classification: Jupiter Trojan          SPK-ID: 2005907 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250265 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0958387 n/a   a 5.1487841 n/a AU q 4.6553313 n/a AU i 1.92065 n/a deg node 107.74932 n/a deg peri 141.46305 n/a deg M 124.27643 n/a deg tp 2454927.3678899 (2009-Apr-05.86788990) n/a JED period 4267.3221273 11.68 n/a n/a d yr n 0.08436204 n/a deg/d Q 5.6422369 n/a AU   Orbit Determination Parameters    # obs. used (total)      997      first obs. used      1988-??-??      last obs. used      2013-01-19      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 2.990   MPC Jupiter Trojan  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.1 mag n/a PDS3 (MPC 28114)   5907 (1989 TU5)          Discovered 1989-Oct-02 by Bus, S. J. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 10:45 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin