+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10964 Degraaff (3216 T-1) Classification: Main-belt Asteroid          SPK-ID: 2010964 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250320 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0304939 n/a   a 2.7596400 n/a AU q 2.6754878 n/a AU i 2.13516 n/a deg node 206.80401 n/a deg peri 71.87726 n/a deg M 335.99959 n/a deg tp 2456512.1331629 (2013-Aug-07.63316290) n/a JED period 1674.4688387 4.58 n/a n/a d yr n 0.21499355 n/a deg/d Q 2.8437922 n/a AU   Orbit Determination Parameters    # obs. used (total)      763      first obs. used      1971-??-??      last obs. used      2012-06-09      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.340  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4 mag n/a PDS3 (MPC 34813)   10964 Degraaff           Discovered 1971 Mar. 26 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Willem de Graaff (1923-2004) was a Dutch astronomical researcher at Utrecht University who unveiled the wonders of the universe to thousands of people in over 625 lectures in 42 years. 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  3216 T-1 = 1996 TZ65  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 23:20 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin