+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   24211 Barbarawood (1999 XD53) Classification: Main-belt Asteroid          SPK-ID: 2024211 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO57636 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1129093 n/a   a 2.2697532 n/a AU q 2.0134770 n/a AU i 2.66725 n/a deg node 76.81940 n/a deg peri 256.39508 n/a deg M 62.72095 n/a deg tp 2454982.8911746 (2009-May-31.39117460) n/a JED period 1249.0113295 3.42 n/a n/a d yr n 0.28822797 n/a deg/d Q 2.5260294 n/a AU   Orbit Determination Parameters    # obs. used (total)      178      first obs. used      1991-??-??      last obs. used      2004-01-18      # oppositions      7      planetary ephem.      DE403      quality code      1      fit RMS      0.64      data source      MPC:mpn      producer      MPC   Additional Information  T_jup = 3.604  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6 mag n/a PDS3 (MPO 11340)   24211 Barbarawood           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro. Barbara Wood mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Thomas Jefferson High School for Science & Technology, Alexandria, Virginia. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20080221/MPCPages.arc Last Updated: 2008-03-05 Alternate Designations  1999 XD53 = 1998 KF32  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2009-Nov-23 19:08 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin