+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   18531 Strakonice (1996 XM2) Classification: Main-belt Asteroid          SPK-ID: 2018531 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257000 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2396512 n/a   a 2.2131189 n/a AU q 1.6827423 n/a AU i 5.00869 n/a deg node 82.61419 n/a deg peri 249.26189 n/a deg M 81.87463 n/a deg tp 2456127.0031031 (2012-Jul-18.50310310) n/a JED period 1202.5566756 3.29 n/a n/a d yr n 0.29936219 n/a deg/d Q 2.7434955 n/a AU   Orbit Determination Parameters    # obs. used (total)      932      first obs. used      1992-??-??      last obs. used      2013-03-14      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.613  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6 mag n/a PDS3 (MPO 5219)   18531 Strakonice           Discovered 1996 Dec. 4 by M. Tichy and Z. Moravec at Klet. Strakonice is a southern Bohemian town known for a Gothic castle at the confluence of the Volynka and Otava rivers. The town is situated in the heart of the Práchen Region---where the bagpipe has long been played. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020921/MPCPages.arc Last Updated: 2003-10-02 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 13:51 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin