+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23833 Mowers (1998 QS90) Classification: Main-belt Asteroid          SPK-ID: 2023833 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253525 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1945166 n/a   a 2.3147554 n/a AU q 1.8644970 n/a AU i 6.11122 n/a deg node 35.44064 n/a deg peri 258.10710 n/a deg M 97.61389 n/a deg tp 2456051.7090408 (2012-May-04.20904080) n/a JED period 1286.3409635 3.52 n/a n/a d yr n 0.27986359 n/a deg/d Q 2.7650138 n/a AU   Orbit Determination Parameters    # obs. used (total)      651      first obs. used      1977-??-??      last obs. used      2013-02-06      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.549  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3 mag n/a PDS3 (MPO 11213)   23833 Mowers           Discovered 1998 Aug. 28 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Christopher Scott Mowers (b. 1995) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his physical science project. He attends the St. Nicholas Catholic School, Gig Harbor, Washington. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20071026/MPCPages.arc Last Updated: 2007-10-28 Alternate Designations  1998 QS90 = 3650 T-3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 12:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin