+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   52604 Thomayer (1997 TZ9) Classification: Main-belt Asteroid          SPK-ID: 2052604 [ 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 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1200742845552379 9.6248e-08   a 2.642049691033209 3.0981e-08 AU q 2.324807464623009 2.4561e-07 AU i 6.487049513833857 9.5451e-06 deg node 28.60672272897563 6.365e-05 deg peri 356.2622670021531 7.1247e-05 deg M 224.6323992876497 3.2707e-05 deg tp 2456990.323578539699 (2014-Nov-28.82357854) 0.00014647 JED period 1568.591650859622 4.29 2.759e-05 7.554e-08 d yr n .2295052379009619 4.0368e-09 deg/d Q 2.959291917443409 3.4701e-08 AU   Orbit Determination Parameters    # obs. used (total)      476      data-arc span      5680 days (15.55 yr)      first obs. used      1997-10-03      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .56144      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 16:25:17   Additional Information  Earth MOID = 1.32805 AU   T_jup = 3.375  [ 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 14.695 mag .44454 1 autocmod 2.5c 52604 Thomayer           Discovered 1997 Oct. 5 by P. Pravec at Ondrejov. Josef Thomayer (1853-1927), Czech professor of internal medicine at the Charles University of Prague, was the founder of Czech internal medicine. His fundamental monograph is Pathology and Therapy of Internal Diseases. He was a good writer and even tried a work of fiction. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030910/MPCPages.arc Last Updated: 2003-10-02 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 11:12 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin