+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3815 Konig (1959 GG) Classification: Main-belt Asteroid          SPK-ID: 2003815 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .105205150550535 1.3065e-08   a 2.569577049764182 8.0059e-09 au q 2.299244309392542 3.3949e-08 au i 8.643739377324824 7.2898e-07 deg node 197.2149689470016 2.7454e-06 deg peri 10.1731150372017 8.483e-06 deg M 31.6522757386333 8.3442e-06 deg tp 2459264.220259706696 (2021-Feb-18.72025971) 3.4916e-05 TDB period 1504.495502908365 4.12 7.0312e-06 1.925e-08 d yr n .2392828687783234 1.1183e-09 deg/d Q 2.839909790135822 8.8482e-09 au   Orbit Determination Parameters    # obs. used (total)      3002      data-arc span      24170 days (66.17 yr)      first obs. used      1955-04-27      last obs. used      2021-06-29      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41755      source      ORB      producer      Otto Matic      solution date      2021-Jul-07 22:44:16   Additional Information  Earth MOID = 1.29624 au   Jupiter MOID = 2.11723 au   T_jup = 3.407  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.46   n/a MPCxxxxx   diameter diameter 20.129 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 6.239 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.056   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   3815 Konig (1959 GG)          Discovered 1959-Apr-15 by Konig, A. and Jakisch, G. at Heidelberg and W. Wenzel. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1959 GG = 1955 HJ = 1959 GT = 1959 JD = 1967 EL = 1967 GR = 1969 VZ = 1977 UZ = 1981 RT3 = 1985 TC2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-13 23:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin