+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   73670 Kurthopf (1982 QP) Classification: Main-belt Asteroid          SPK-ID: 2073670 [ 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 .1955814274293121 1.7519e-07   a 2.479805214215162 3.8223e-08 AU q 1.99480137067231 4.3828e-07 AU i 11.4749458303994 1.4105e-05 deg node 301.5151989163352 6.4058e-05 deg peri 18.92269740502582 0.00010284 deg M 322.4925216775171 0.00010512 deg tp 2456549.107300895823 (2013-Sep-13.60730090) 0.0004185 JED period 1426.34564399463 3.91 3.2978e-05 9.029e-08 d yr n .2523932410883117 5.8354e-09 deg/d Q 2.964809057758015 4.5698e-08 AU   Orbit Determination Parameters    # obs. used (total)      381      data-arc span      11183 days (30.62 yr)      first obs. used      1982-08-19      last obs. used      2013-04-01      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .59782      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 17:24:20   Additional Information  Earth MOID = .984653 AU   T_jup = 3.425  [ 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 13.695 mag .66653 1 autocmod 2.5c 73670 Kurthopf           Discovered 1982 Aug. 19 by C. S. and E. M. Shoemaker at Palomar. Kurt Hopf (b. 1952) is a head teacher of the primary school in Hof, Germany. With enthusiasm and expertise he directed the Public Observatory Hof from 1976 until 2003 and has published astronomical articles and educational material for children. The name was suggested by G. and D. Heinlein. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20081113/MPCPages.arc Last Updated: 2008-11-17 Alternate Designations  1982 QP = 2000 AJ164  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 01:51 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin