+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   18235 Lynden-Bell (1003 T-2) Classification: Main-belt Asteroid          SPK-ID: 2018235 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256998 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1560856 n/a   a 3.0920457 n/a AU q 2.6094219 n/a AU i 0.71376 n/a deg node 218.06824 n/a deg peri 261.33090 n/a deg M 1.03373 n/a deg tp 2456394.7974131 (2013-Apr-12.29741310) n/a JED period 1985.9453544 5.44 n/a n/a d yr n 0.18127387 n/a deg/d Q 3.5746695 n/a AU   Orbit Determination Parameters    # obs. used (total)      709      first obs. used      1973-??-??      last obs. used      2013-03-08      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.206  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.9 mag n/a PDS3 (MPO 4283)   18235 Lynden-Bell           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Donald Lynden-Bell (b. 1935), professor at the University of Cambridge, is well known for his studies of the formation, structure and dynamics of galaxies, including the Milky Way. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040107/MPCPages.arc Last Updated: 2004-01-07 Alternate Designations  1003 T-2 = 1985 XW1 = 1995 ST26  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 17:18 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin