+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   52975 Cyllarus (1998 TF35) Classification: Centaur          SPK-ID: 2052975 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3789554849464998 8.8219e-05   a 26.30763732774341 0.006766 AU q 16.33821386641177 0.0020103 AU i 12.62421854012592 0.00031518 deg node 51.90576784379198 0.00023973 deg peri 301.8647179237722 0.020763 deg M 62.72175758683161 0.031122 deg tp 2447813.589923508385 (1989-Oct-14.08992351) 0.94988 JED period 49285.73028677364 134.94 19.013 0.05205 d yr n .007304345454664186 2.8179e-06 deg/d Q 36.27706078907505 0.00933 AU   Orbit Determination Parameters    # obs. used (total)      29      data-arc span      3636 days (9.95 yr)      first obs. used      1998-10-12      last obs. used      2008-09-25      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      3      fit RMS      .34651      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 19:07:10   Additional Information  Earth MOID = 15.3518 AU   T_jup = 4.259  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 9.3275 mag .53237 6 autocmod 2.5a 52975 Cyllarus           Discovered 1998 Oct. 12 by N. Danzl at Kitt Peak. The centaur Cyllarus was severely wounded by a spear in a battle that finally caused his death. On seeing him wounded, his lover Hylonome committed suicide. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030614/MPCPages.arc Last Updated: 2005-04-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 17:44 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin