+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   18948 Hinkle (2000 QT79) Classification: Main-belt Asteroid          SPK-ID: 2018948 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1171141720081243 3.8872e-08   a 2.634060966725082 1.2458e-08 au q 2.325575097588154 1.0493e-07 au i 1.806853464512572 4.3368e-06 deg node 346.4190123501015 0.00010937 deg peri 28.66281290285976 0.00011061 deg M 247.595950037231 1.7743e-05 deg tp 2459688.047147103968 (2022-Apr-18.54714710) 7.8528e-05 TDB period 1561.482642445392 4.28 1.1078e-05 3.033e-08 d yr n .2305501132156132 1.6356e-09 deg/d Q 2.942546835862009 1.3917e-08 au   Orbit Determination Parameters    # obs. used (total)      1159      data-arc span      10570 days (28.94 yr)      first obs. used      1991-07-10      last obs. used      2020-06-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54867      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:43:00   Additional Information  Earth MOID = 1.32517 au   Jupiter MOID = 2.5258 au   T_jup = 3.388  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.04   n/a E2021B10   diameter diameter 6.088 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.069   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   18948 Hinkle           Discovered 2000 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Athena Leah Hinkle (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her behavioral and social sciences team project. She attends the Hillsboro High School, Hillsboro, Oregon, 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 [ show close-approach data ] Alternate Designations  2000 QT79 = 1991 NV4 = 1998 AR5 = 1998 EV17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 08:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin