+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   19488 Abramcoley (1998 HW125) Classification: Main-belt Asteroid          SPK-ID: 2019488 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO06563 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1608059 n/a   a 2.3380713 n/a AU q 1.9620956 n/a AU i 7.86068 n/a deg node 108.22982 n/a deg peri 16.86310 n/a deg M 180.81748 n/a deg tp 2455850.4473644 (2011-Oct-15.94736441) n/a JED period 1305.8252064 3.58 n/a n/a d yr n 0.27568774 n/a deg/d Q 2.7140470 n/a AU   Orbit Determination Parameters    # obs. used (total)      54      first obs. used      1951-??-??      last obs. used      2000-11-27      # oppositions      9      planetary ephem.      DE403      quality code      1      fit RMS      0.69      data source      MPC:mpn      producer      Williams   Additional Information  T_jup = 3.536  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.9 mag n/a PDS3 (MPO 6563)   19488 Abramcoley           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Abram Levi Coley (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his physics project. He attends the Big Sky High School, Missoula, Montana, 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: 20040830/MPCPages.arc Last Updated: 2004-09-06 Alternate Designations  1998 HW125 = 1991 LF6 = 1994 CR2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2009-Nov-23 21:30 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin