+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   33544 Jerold (1999 JY8) Classification: Main-belt Asteroid          SPK-ID: 2033544 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1698037805307047 2.8985e-08   a 2.541259869208064 8.3661e-09 au q 2.109744336105571 7.2708e-08 au i 13.41172341347887 3.8914e-06 deg node 50.12034871870237 1.5425e-05 deg peri 256.8383895792574 2.1048e-05 deg M 10.6440097374495 1.3683e-05 deg tp 2458956.750327464605 (2020-Apr-17.25032746) 5.6259e-05 TDB period 1479.694447979365 4.05 7.307e-06 2.001e-08 d yr n .2432934721702898 1.2014e-09 deg/d Q 2.972775402310558 9.7867e-09 au   Orbit Determination Parameters    # obs. used (total)      2139      data-arc span      10212 days (27.96 yr)      first obs. used      1992-11-26      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48608      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:35:54   Additional Information  Earth MOID = 1.14238 au   Jupiter MOID = 2.34874 au   T_jup = 3.387  [ 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 14.0   n/a MPO474188   diameter diameter 3.966 km 0.979 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.372   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   33544 Jerold           Discovered 1999 May 15 by C. W. Juels at Fountain Hills. Jerold Z. Kaplan (b. 1945) is a physician and surgeon who has been caring for individuals with burns and wounds in northern California since 1977. He is a burn prevention educator and utilizes medical hypnosis. As teenagers, he and this minor planet's discoverer often viewed the heavens with the latter's 60-mm refractor. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20031110/MPCPages.arc Last Updated: 2003-11-12 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 10:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin