+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10971 van Dishoeck (1179 T-2) Classification: Main-belt Asteroid          SPK-ID: 2010971 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .161140066917033 6.8056e-08   a 2.451271224398593 1.7183e-08 AU q 2.056273215267206 1.6563e-07 AU i 1.762154523792665 6.5587e-06 deg node 213.7245715510958 0.000251 deg peri 35.2734535450689 0.00025235 deg M 214.8813772028137 3.0392e-05 deg tp 2456965.575040547363 (2014-Nov-04.07504055) 0.00012052 JED period 1401.798133664448 3.84 1.474e-05 4.036e-08 d yr n .2568130113420268 2.7004e-09 deg/d Q 2.84626923352998 1.9952e-08 AU   Orbit Determination Parameters    # obs. used (total)      709      data-arc span      14443 days (39.54 yr)      first obs. used      1973-09-19      last obs. used      2013-04-05      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .57866      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:42:28   Additional Information  Earth MOID = 1.04293 AU   T_jup = 3.477  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.0 mag n/a PDS3 (MPC 34815)   10971 van Dishoeck           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Ewine Fleur van Dishoeck (b. 1955) is director of the Raymond and Beverly Sackler Laboratory for Astrophysics at Leiden Observatory. She has made important contributions to molecular astrophysics and astrochemistry and holds a prestigious Dutch Spinoza award. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060219/MPCPages.arc Last Updated: 2010-06-03 Alternate Designations  1179 T-2 = 3217 T-3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 19:24 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin