+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15559 Abigailhines (2000 GR23) Classification: Main-belt Asteroid          SPK-ID: 2015559 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08165115158074757 3.677e-08   a 2.618002096636323 1.0623e-08 au q 2.404239210605156 9.9196e-08 au i 1.783948006383719 4.2304e-06 deg node 219.130628591884 0.00011432 deg peri 240.497079078949 0.00011768 deg M 358.5930590331773 2.6332e-05 deg tp 2459006.546816459963 (2020-Jun-06.04681646) 0.00011317 TDB period 1547.22477838051 4.24 9.4171e-06 2.578e-08 d yr n .2326746604826316 1.4162e-09 deg/d Q 2.831764982667491 1.149e-08 au   Orbit Determination Parameters    # obs. used (total)      1144      data-arc span      9902 days (27.11 yr)      first obs. used      1993-09-09      last obs. used      2020-10-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50414      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:32:50   Additional Information  Earth MOID = 1.42172 au   Jupiter MOID = 2.27681 au   T_jup = 3.401  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.9   n/a MPO452390   15559 Abigailhines           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Named in honor of Abigail M. Hines for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Abigail is a student at the Orchard Day Home School, Ft. Wayne, Indiana. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20011002/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  2000 GR23 = 1993 RC1 = 1996 HK11 = 1997 MM8 = 1998 WD33  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-28 00:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin