+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14598 Larrysmith (1998 SU60) Classification: Main-belt Asteroid          SPK-ID: 2014598 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06689876044748111 2.7992e-08   a 2.151804511757823 5.725e-09 au q 2.007851457195927 6.0222e-08 au i 3.117052069553264 3.6345e-06 deg node 66.44333387592216 6.8633e-05 deg peri 244.7100968271562 7.7405e-05 deg M 1.393252134374186 3.6649e-05 deg tp 2458996.037996939720 (2020-May-26.53799694) 0.00011737 TDB period 1152.929223698927 3.16 4.6011e-06 1.26e-08 d yr n .3122481350980219 1.2461e-09 deg/d Q 2.295757566319719 6.108e-09 au   Orbit Determination Parameters    # obs. used (total)      1294      data-arc span      15991 days (43.78 yr)      first obs. used      1976-10-22      last obs. used      2020-08-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53868      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:52:59   Additional Information  Earth MOID = .995677 au   Jupiter MOID = 2.83496 au   T_jup = 3.700  [ 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 15.8   n/a MPO332955   diameter diameter 1.902 km 0.694 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.338   0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14598 Larrysmith           Discovered 1998 Sept. 17 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. Larry W. Smith (b. 1952) is a mechanical engineer, firefighter and paramedic who contributed to the fire containment during the 1989 Phillips chemical plant explosion, leading the initial rescue efforts and first recovery team into the structure. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030318/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1998 SU60 = 1976 UN12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-18 12:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin