+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   23924 Premt (1998 SX140) Classification: Main-belt Asteroid          SPK-ID: 2023924 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250444 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1779548 n/a   a 2.4019612 n/a AU q 1.9745207 n/a AU i 1.83689 n/a deg node 342.87417 n/a deg peri 270.67195 n/a deg M 79.09335 n/a deg tp 2456101.7658479 (2012-Jun-23.26584790) n/a JED period 1359.7134872 3.72 n/a n/a d yr n 0.26476166 n/a deg/d Q 2.8294017 n/a AU   Orbit Determination Parameters    # obs. used (total)      745      first obs. used      1952-??-??      last obs. used      2012-09-06      # oppositions      17      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.503  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.3 mag n/a PDS3 (MPO 11243)   23924 Premt           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Prem Poothatta Thottumkara (b. 1992) 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 Macomb Junior High School, Macomb, Illinois. 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 SX140 = 1989 ES6 = 1999 YH4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 15:59 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin