+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11431 Karelbosscha (4843 T-1) Classification: Main-belt Asteroid          SPK-ID: 2011431 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250325 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1251424 n/a   a 3.1451977 n/a AU q 2.7516001 n/a AU i 5.87106 n/a deg node 35.90242 n/a deg peri 168.40973 n/a deg M 184.09522 n/a deg tp 2457396.0096885 (2016-Jan-08.50968850) n/a JED period 2037.3720820 5.58 n/a n/a d yr n 0.17669821 n/a deg/d Q 3.5387953 n/a AU   Orbit Determination Parameters    # obs. used (total)      340      first obs. used      1971-??-??      last obs. used      2013-01-08      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.189  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.1 mag n/a PDS3 (MPC 35599)   11431 Karelbosscha           Discovered 1971 May 13 by C. J. van Houten and I. van Houten-Groeneveld at Leiden on Palomar Schmidt plates taken by T. Gehrels. Karel Albert Rudolf Bosscha (1865-1928) was a notable Dutch tea planter in Malabar, West Java, who, with his nephew Rudolf Albert Kerkhoven, greatly contributed to the establishment of an astronomical observatory in Lembang, near Bandung. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070926/MPCPages.arc Last Updated: 2007-09-30 Alternate Designations  4843 T-1 = 3199 T-2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 07:18 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin