+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23198 Norvell (2000 RL68) Classification: Main-belt Asteroid          SPK-ID: 2023198 [ 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 .05700904439869962 6.2974e-08   a 2.849929384995634 3.8068e-08 AU q 2.68745763415326 1.8955e-07 AU i 3.069418442203874 7.2031e-06 deg node 71.92867191163084 0.00013203 deg peri 228.7177727460024 0.00016088 deg M 284.9962481712262 9.5395e-05 deg tp 2456766.625571990206 (2014-Apr-19.12557199) 0.00046731 JED period 1757.31483696139 4.81 3.521e-05 9.64e-08 d yr n .2048579983666919 4.1046e-09 deg/d Q 3.012401135838009 4.0238e-08 AU   Orbit Determination Parameters    # obs. used (total)      711      data-arc span      11533 days (31.58 yr)      first obs. used      1981-09-24      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .59626      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 14:34:57   Additional Information  Earth MOID = 1.67306 AU   T_jup = 3.301  [ 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 14.2 mag n/a PDS3 (MPO 10239)   23198 Norvell           Discovered 2000 Sept. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro. Leighton Marie Norvell (b. 1989) was awarded second place in the 2007 Intel International Science and Engineering Fair for her environmental sciences project. She attends the Lincoln Park Academy, Fort Pierce, Florida, 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 Alternate Designations  2000 RL68 = 1981 SE8 = 1994 LJ3 = 1998 FX28  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 19:06 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin