+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26426 Koechl (1999 XB158) Classification: Main-belt Asteroid          SPK-ID: 2026426 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02845170526322526 3.4788e-08   a 2.308438264958974 7.8869e-09 au q 2.24275925982601 7.9918e-08 au i 3.223842127204782 3.7676e-06 deg node 159.2199068590337 6.2688e-05 deg peri 32.71806442202131 9.0991e-05 deg M 198.821568732961 6.5737e-05 deg tp 2459574.061837669201 (2021-Dec-25.56183767) 0.00023424 TDB period 1281.078739492224 3.51 6.5653e-06 1.797e-08 d yr n .2810131718700536 1.4401e-09 deg/d Q 2.374117270091937 8.1113e-09 au   Orbit Determination Parameters    # obs. used (total)      1293      data-arc span      14253 days (39.02 yr)      first obs. used      1981-11-03      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49945      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 20:50:54   Additional Information  Earth MOID = 1.24234 au   Jupiter MOID = 2.58076 au   T_jup = 3.584  [ 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 15.1   n/a MPO337482   26426 Koechl           Discovered 1999 Dec. 8 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Juergen Koechl (b. 1990) was awarded second place in the 2010 Intel International Science and Engineering Fair for his chemistry team project. He attends the HTL Braunau am Inn, Braunau am Inn, Austria. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20110319/MPCPages.arc Last Updated: 2011-03-23 [ show close-approach data ] Alternate Designations  1999 XB158 = 1981 VF2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 13:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin