+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   13643 Takushi (1996 HC1) Classification: Main-belt Asteroid          SPK-ID: 2013643 [ 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 .1116121200976833 9.4285e-08   a 2.594417183377673 2.6158e-08 AU q 2.30484878112303 2.5405e-07 AU i 13.83087538854836 8.8148e-06 deg node 56.36862973413618 3.6151e-05 deg peri 87.79070044245101 5.6698e-05 deg M 83.43405105814013 4.0253e-05 deg tp 2456046.747942014701 (2012-Apr-29.24794201) 0.00017123 JED period 1526.364107454935 4.18 2.3085e-05 6.32e-08 d yr n .2358546026087217 3.567e-09 deg/d Q 2.883985585632315 2.9078e-08 AU   Orbit Determination Parameters    # obs. used (total)      734      data-arc span      6210 days (17.00 yr)      first obs. used      1996-04-21      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .48546      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:53:12   Additional Information  Earth MOID = 1.3661 AU   T_jup = 3.368  [ 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 12.9 mag n/a PDS3 (MPC 38354)   rotation period rot_per 83.838 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Clark, M. (2013) Minor Planet Bul. 40, 11-12.] 13643 Takushi           Discovered 1996 Apr. 21 by H. Abe at Yatsuka. Takushi Yokota (b. 1958) was the leader of Kobe University astronomy club. He was also an observing partner of the discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20071124/MPCPages.arc Last Updated: 2007-11-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 10:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin