+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   73670 Kurthopf (1982 QP) Classification: Main-belt Asteroid          SPK-ID: 2073670 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1950869232162499 5.5774e-08   a 2.479499480979381 1.4573e-08 au q 1.995781556118825 1.4064e-07 au i 11.45757833081202 5.2989e-06 deg node 301.4138844177911 1.9906e-05 deg peri 19.63503554699194 2.1704e-05 deg M 257.8005247556593 8.5164e-06 deg tp 2459405.346719535099 (2021-Jul-09.84671954) 3.4861e-05 TDB period 1426.081872575039 3.90 1.2573e-05 3.442e-08 d yr n .2524399243291392 2.2256e-09 deg/d Q 2.963217405839937 1.7416e-08 au   Orbit Determination Parameters    # obs. used (total)      1440      data-arc span      13822 days (37.84 yr)      first obs. used      1982-08-19      last obs. used      2020-06-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46302      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:46:44   Additional Information  Earth MOID = .986109 au   Jupiter MOID = 2.35185 au   T_jup = 3.426  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.0   n/a MPO351363   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 [ show close-approach data ] Alternate Designations  1982 QP = 2000 AJ164  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 02:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin