+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11245 Hansderijk (3100 T-3) Classification: Main-belt Asteroid          SPK-ID: 2011245 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250323 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1210090 n/a   a 2.4320127 n/a AU q 2.1377173 n/a AU i 2.96341 n/a deg node 151.06177 n/a deg peri 83.12222 n/a deg M 270.76316 n/a deg tp 2456743.8909712 (2014-Mar-27.39097120) n/a JED period 1385.3107040 3.79 n/a n/a d yr n 0.25986950 n/a deg/d Q 2.7263081 n/a AU   Orbit Determination Parameters    # obs. used (total)      792      first obs. used      1973-??-??      last obs. used      2013-01-04      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.495  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.9 mag n/a PDS3 (MPC 35274)   11245 Hansderijk           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Johannes A. F. de Rijk (b. 1926) is a gifted Dutch science writer. Better known under the pseudonym Bruno Ernst, he has made contributions to astronomy, mathematics, physics, art and natural science, sundials and the art of M. C. Escher. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070730/MPCPages.arc Last Updated: 2007-08-07 Alternate Designations  3100 T-3 = 3704 T-2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 05:32 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin