+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19500 Hillaryfultz (1998 KF49) Classification: Main-belt Asteroid          SPK-ID: 2019500 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07733591448809414 3.634e-08   a 2.711450340443292 1.1374e-08 au q 2.501757848776056 9.8057e-08 au i 7.203510103127066 3.8578e-06 deg node 116.5526916431003 3.172e-05 deg peri 81.11170021720218 4.2508e-05 deg M 10.25190230157919 2.6506e-05 deg tp 2458954.058860506944 (2020-Apr-14.55886051) 0.00012009 TDB period 1630.800774888869 4.46 1.0261e-05 2.809e-08 d yr n .220750446984876 1.389e-09 deg/d Q 2.921142832110528 1.2253e-08 au   Orbit Determination Parameters    # obs. used (total)      1530      data-arc span      9508 days (26.03 yr)      first obs. used      1994-07-11      last obs. used      2020-07-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52994      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:08:23   Additional Information  Earth MOID = 1.51268 au   Jupiter MOID = 2.06924 au   T_jup = 3.347  [ hide covariance matrix ] Orbital Elements at Epoch 2456797.5 (2014-May-20.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07917991019035438 3.6178e-08   q 2.49676978086454 9.7899e-08 au tp 2457322.025079466587 (2015-Oct-26.52507947) 0.00011841 TDB node 116.5867353193289 3.1697e-05 deg peri 81.09699813539676 4.2102e-05 deg i 7.206019130389768 3.8596e-06 deg   Orbit Determination Parameters    # obs. used (total)      1530      data-arc span      9508 days (26.03 yr)      first obs. used      1994-07-11      last obs. used      2020-07-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52994      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:08:23   Additional Information  Jupiter MOID = 2.06924 au   T_jup = 3.347  Orbit Covariance (6×6)   e q tp node peri i e 1.308859698345898E-15 -3.52177253850309E-15 1.222045701270803E-13 -1.263881690221187E-15 5.148352335032171E-14 -2.291965591257208E-15 q -3.52177253850309E-15 9.584227706660537E-15 -5.016095366785494E-13 4.162095208318537E-15 -1.8655728441062E-13 6.350452686938938E-15 tp 1.222045701270803E-13 -5.016095366785494E-13 1.402168583409348E-8 -1.359117119491797E-11 3.297286169036742E-9 -6.564781852665435E-13 node -1.263881690221187E-15 4.162095208318537E-15 -1.359117119491797E-11 1.004676460643035E-9 -9.996508229206462E-10 6.29927296100703E-12 peri 5.148352335032171E-14 -1.8655728441062E-13 3.297286169036742E-9 -9.996508229206462E-10 1.77257394900046E-9 -6.471687910019062E-12 i -2.291965591257208E-15 6.350452686938938E-15 -6.564781852665435E-13 6.29927296100703E-12 -6.471687910019062E-12 1.489652742638554E-11 [ 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 14.3   n/a MPO431723   diameter diameter 7.630 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.040   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19500 Hillaryfultz           Discovered 1998 May 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Hillary Anne Fultz (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her zoology project. She attends the Bagley High School, Bagley, Minnesota, 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  1998 KF49 = 1994 NU7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-15 18:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin