+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   22638 Abdulla (1998 MS31) Classification: Main-belt Asteroid          SPK-ID: 2022638 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO73882 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1146842 n/a   a 2.7376775 n/a AU q 2.4237091 n/a AU i 4.78054 n/a deg node 79.65878 n/a deg peri 247.48970 n/a deg M 164.04476 n/a deg tp 2454446.5688046 (2007-Dec-12.06880460) n/a JED period 1654.5193541 4.53 n/a n/a d yr n 0.21758585 n/a deg/d Q 3.0516459 n/a AU   Orbit Determination Parameters    # obs. used (total)      430      first obs. used      1992-??-??      last obs. used      2005-01-17      # oppositions      7      planetary ephem.      DE403      quality code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPC   Additional Information  T_jup = 3.337  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4 mag n/a PDS3 (MPO 10063)   22638 Abdulla           Discovered 1998 June 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Almas Ugurgizi Abdulla (b. 1993) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her mathematics project. She attends the Stone Middle School, Melbourne, Florida. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20061009/MPCPages.arc Last Updated: 2006-10-14 Alternate Designations  1998 MS31 = 1999 WG11  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2009-Nov-23 20:03 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin