+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17927 Ghoshal (1999 GL20) Classification: Main-belt Asteroid          SPK-ID: 2017927 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05543114813237689 3.6939e-08   a 2.23763215799444 7.1929e-09 au q 2.11359763837888 8.1557e-08 au i 4.642156858605264 3.5538e-06 deg node 81.19004557217492 4.9825e-05 deg peri 82.75214229275885 6.0044e-05 deg M 150.8033278885155 3.4014e-05 deg tp 2458488.358588715958 (2019-Jan-04.85858872) 0.00011508 TDB period 1222.591773296642 3.35 5.895e-06 1.614e-08 d yr n .2944564227103235 1.4198e-09 deg/d Q 2.36166667761 7.5916e-09 au   Orbit Determination Parameters    # obs. used (total)      1483      data-arc span      10914 days (29.88 yr)      first obs. used      1990-09-14      last obs. used      2020-08-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50359      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 01:16:32   Additional Information  Earth MOID = 1.12677 au   Jupiter MOID = 2.61099 au   T_jup = 3.631  [ 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 MPO332985   diameter diameter 2.248 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.319   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17927 Ghoshal           Discovered 1999 Apr. 15 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Shivani Ghoshal (b. 1986) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Mira Loma High School, Sacramento, California, 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: 20040614/MPCPages.arc Last Updated: 2009-12-11 Alternate Designations  1999 GL20 = 1990 RA14 = 1992 DO1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-21 07:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin