+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9708 Gouka (4140 T-3) Classification: Main-belt Asteroid          SPK-ID: 2009708 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ 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 .1712277640029523 6.9153e-08   a 2.605456735463266 2.3051e-08 AU q 2.15933020444346 1.7409e-07 AU i 5.889912273448788 7.5367e-06 deg node 116.0571076937606 8.4861e-05 deg peri 36.14711042438004 8.997e-05 deg M 44.29015046750309 2.9035e-05 deg tp 2456211.514327356385 (2012-Oct-11.01432736) 0.00012315 JED period 1536.11675357979 4.21 2.0386e-05 5.581e-08 d yr n .2343571861715918 3.1102e-09 deg/d Q 3.051583266483072 2.6998e-08 AU   Orbit Determination Parameters    # obs. used (total)      550      data-arc span      12977 days (35.53 yr)      first obs. used      1977-10-11      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .6357      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:36:55   Additional Information  Earth MOID = 1.17336 AU   T_jup = 3.384  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.7 mag n/a PDS3 (MPC 32915)   9708 Gouka           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. On 1901 Sept. 1 Adriaan Jacobus Gouka (1879-1963) and Christiaan A. C. Nell founded NVWS, the Dutch Astronomical and Meteorological Society. The name was suggested by H. van Woerden. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010804/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  4140 T-3 = 1990 VF11 = 1990 WX8 = 1996 JH15  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-24 06:31 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin