+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08168838484614557 2.9568e-08   a 2.617996845758788 9.3587e-09 au q 2.404136911896448 7.7527e-08 au i 1.783907102285976 3.8438e-06 deg node 219.1212953938989 0.00011106 deg peri 240.426224328284 0.00011453 deg M 45.19516726285077 2.6273e-05 deg tp 2459006.258688124752 (2020-Jun-05.75868812) 0.00011294 TDB period 1547.220123523414 4.24 8.2964e-06 2.271e-08 d yr n .2326753604911681 1.2476e-09 deg/d Q 2.831856779621127 1.0123e-08 au   Orbit Determination Parameters    # obs. used (total)      1272      data-arc span      10049 days (27.51 yr)      first obs. used      1993-09-09      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49953      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:02:32   Additional Information  Earth MOID = 1.42142 au   Jupiter MOID = 2.27643 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 14.97   n/a E2021B10   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 ] 2021-Apr-22 03:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin