+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   138445 Westenburger (2000 JF2) Classification: Main-belt Asteroid          SPK-ID: 2138445 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO248171 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1399449 n/a   a 2.3611934 n/a AU q 2.0307564 n/a AU i 4.71993 n/a deg node 74.91286 n/a deg peri 198.84735 n/a deg M 155.68085 n/a deg tp 2455827.4025733 (2011-Sep-22.90257330) n/a JED period 1325.2437510 3.63 n/a n/a d yr n 0.27164814 n/a deg/d Q 2.6916304 n/a AU   Orbit Determination Parameters    # obs. used (total)      161      first obs. used      1996-??-??      last obs. used      2012-12-06      # oppositions      9      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.533  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.2 mag n/a MPC23540   138445 Westenburger           Discovered 2000 May 2 by J. Kander at Drebach. Carl-Heinz Westenburger (1924-2008) was a German painter, printmaker and conservationist. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20120207/MPCPages.arc Last Updated: 2012-02-09 Alternate Designations  2000 JF2 = 2001 TB147  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 03:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin