+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23750 Stepciechan (1998 KQ35) Classification: Main-belt Asteroid          SPK-ID: 2023750 [ 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 .1128176289218959 5.9394e-08   a 2.379335996113996 2.4545e-08 AU q 2.110904950623898 1.4112e-07 AU i 5.793418923499646 5.5368e-06 deg node 241.4113820494473 6.843e-05 deg peri 64.20662281300106 7.828e-05 deg M 329.1366227288175 4.5136e-05 deg tp 2456515.427255609986 (2013-Aug-10.92725561) 0.00016936 JED period 1340.547136370144 3.67 2.0744e-05 5.679e-08 d yr n .2685470657710607 4.1555e-09 deg/d Q 2.647767041604095 2.7315e-08 AU   Orbit Determination Parameters    # obs. used (total)      641      data-arc span      6346 days (17.37 yr)      first obs. used      1995-12-07      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .60396      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 14:36:30   Additional Information  Earth MOID = 1.10345 AU   T_jup = 3.524  [ 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 15.2 mag n/a PDS3 (MPO 11186)   23750 Stepciechan           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro. Stephanie Fulane Chan (b. 1990) was awarded second place in the 2007 Intel International Science and Engineering Fair for her mathematical sciences team project. She attends the William P. Clements High School, Sugar Land, Texas, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070828/MPCPages.arc Last Updated: 2007-08-30 [ show close-approach data ] Alternate Designations  1998 KQ35 = 1999 UP25  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-23 13:23 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin