+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17024 Costello (1999 EJ5) Classification: Main-belt Asteroid          SPK-ID: 2017024 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06621809251579165 3.4689e-08   a 2.432754892795606 8.6821e-09 au q 2.271662504236222 8.3111e-08 au i 5.344265877423034 4.4692e-06 deg node 327.2121258244619 3.3178e-05 deg peri 314.7840125400764 4.6044e-05 deg M 179.7905735227341 3.2522e-05 deg tp 2458508.333819104783 (2019-Jan-24.83381910) 0.00012487 TDB period 1385.944881536128 3.79 7.4193e-06 2.031e-08 d yr n .2597505895046778 1.3905e-09 deg/d Q 2.593847281354991 9.257e-09 au   Orbit Determination Parameters    # obs. used (total)      1924      data-arc span      9987 days (27.34 yr)      first obs. used      1993-11-06      last obs. used      2021-03-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47065      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:51:33   Additional Information  Earth MOID = 1.25711 au   Jupiter MOID = 2.50482 au   T_jup = 3.497  [ 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 14.2   n/a MPO449075   diameter diameter 3.744 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.138   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17024 Costello           Discovered 1999 Mar. 15 by J. Broughton at Reedy Creek Observatory. Louis Costello (1906-1959) was the funny man of the Abbott and Costello comedy duo. Their relationship created a magical chemistry that would take them from the burlesque stage to radio to broadway to film and, finally, to television. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010509/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 01:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin