+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5971 Tickell (1991 NT2) Classification: Main-belt Asteroid          SPK-ID: 2005971 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250266 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1656877 n/a   a 2.5993168 n/a AU q 2.1686420 n/a AU i 12.35005 n/a deg node 290.43973 n/a deg peri 1.65858 n/a deg M 86.38313 n/a deg tp 2456033.2061260 (2012-Apr-15.70612600) n/a JED period 1530.6900159 4.19 n/a n/a d yr n 0.23518805 n/a deg/d Q 3.0299916 n/a AU   Orbit Determination Parameters    # obs. used (total)      915      first obs. used      1952-??-??      last obs. used      2013-01-23      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.48      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.364  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.0 mag n/a PDS3 (MPC 28114)   rotation period rot_per 2.99705 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] 5971 Tickell           Discovered 1991 July 12 by H. E. Holt at Palomar. British diplomat Crispin Tickell (b. 1930), ambassador to Mexico (1981-1983) and to the U.N. (1987-1990), chaired the board of the Climate Institute of Washington (1990-2002) and the Government Panel on Sustainable Development (1994-2000). He also served on the U.K. government's Task Force on Near-Earth Objects. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060413/MPCPages.arc Last Updated: 2006-04-17 Alternate Designations  1991 NT2 = 1953 LJ = 1957 LB = 1981 DY3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 20:21 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin