+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11764 Benbaillaud (6531 P-L) Classification: Main-belt Asteroid          SPK-ID: 2011764 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO247471 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0686920 n/a   a 2.1955524 n/a AU q 2.0447355 n/a AU i 4.70635 n/a deg node 16.38593 n/a deg peri 19.94023 n/a deg M 27.75189 n/a deg tp 2456308.8981583 (2013-Jan-16.39815830) n/a JED period 1188.2672865 3.25 n/a n/a d yr n 0.30296214 n/a deg/d Q 2.3463693 n/a AU   Orbit Determination Parameters    # obs. used (total)      835      first obs. used      1960-??-??      last obs. used      2012-12-13      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.662  [ 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 (MPC 35901)   11764 Benbaillaud           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Benjamin Baillaud (1848-1934) was a director of the Toulouse (1878-1907) and Paris (1907-1926) Observatories. He founded the Pic du Midi Observatory and served as first president of the International Astronomical Union. 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  6531 P-L = 3007 T-2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 06:33 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin