+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   18923 Jennifersass (2000 PC23) Classification: Main-belt Asteroid          SPK-ID: 2018923 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1684510341277363 3.1041e-08   a 2.303275086593136 8.197e-09 au q 1.915286016375871 7.3682e-08 au i 6.758863892542159 3.481e-06 deg node 19.15155946382902 2.9166e-05 deg peri 216.013016894424 3.1038e-05 deg M 2.429666646419387 1.1351e-05 deg tp 2459191.882896027611 (2020-Dec-08.38289603) 4.0244e-05 TDB period 1276.783148269148 3.50 6.8158e-06 1.866e-08 d yr n .2819586086235776 1.5052e-09 deg/d Q 2.691264156810401 9.5778e-09 au   Orbit Determination Parameters    # obs. used (total)      1448      data-arc span      10833 days (29.66 yr)      first obs. used      1990-10-14      last obs. used      2020-06-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51633      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:42:34   Additional Information  Earth MOID = .907951 au   Jupiter MOID = 2.31662 au   T_jup = 3.562  [ 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 15.08   n/a E2021B10   diameter diameter 2.624 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.256   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   18923 Jennifersass           Discovered 2000 Aug. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Jennifer Rose Sass (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for her zoology project. She attends the Mid-Buchanan High School, Faucett, Missouri, 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 Alternate Designations  2000 PC23 = 1996 FX17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 18:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin