+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   30704 Phegeus (3250 T-3) Classification: Jupiter Trojan          SPK-ID: 2030704 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250507 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0402505 n/a   a 5.2150035 n/a AU q 5.0050970 n/a AU i 14.92067 n/a deg node 20.57594 n/a deg peri 288.54412 n/a deg M 85.27510 n/a deg tp 2455370.1136989 (2010-Jun-22.61369890) n/a JED period 4349.9106818 11.91 n/a n/a d yr n 0.08276032 n/a deg/d Q 5.4249100 n/a AU   Orbit Determination Parameters    # obs. used (total)      558      first obs. used      1977-??-??      last obs. used      2013-01-22      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 2.931   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 11.2 mag n/a PDS3 (MPO 16689)   30704 Phegeus           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Phegeus was the oldest son of Dares, a priest of the god Hephaistos. Phegeus was fatally wounded with the spear of Diomedes. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030318/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  3250 T-3 = 1999 RG246 = 2000 RN38  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 04:45 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin