+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   37609 LaVelle (1992 WS4) Classification: Main-belt Asteroid          SPK-ID: 2037609 [ 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 .1545808457313671 4.1452e-08   a 2.563588041109201 1.2243e-08 au q 2.167306433607722 1.034e-07 au i 8.261403569687344 4.5432e-06 deg node 27.82884496875224 3.1659e-05 deg peri 19.81052678743348 3.568e-05 deg M 262.834105050131 1.8943e-05 deg tp 2459405.152415029527 (2021-Jul-09.65241503) 8.0346e-05 TDB period 1499.238693636158 4.10 1.074e-05 2.94e-08 d yr n .2401218708722618 1.7201e-09 deg/d Q 2.95986964861068 1.4135e-08 au   Orbit Determination Parameters    # obs. used (total)      855      data-arc span      9679 days (26.50 yr)      first obs. used      1992-11-25      last obs. used      2019-05-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57327      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 04:34:58   Additional Information  Earth MOID = 1.1786 au   Jupiter MOID = 2.45075 au   T_jup = 3.402  [ hide covariance matrix ] Orbital Elements at Epoch 2457009.5 (2014-Dec-18.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1568640487983654 4.1646e-08   q 2.158770513410531 1.0429e-07 au tp 2456410.658412403358 (2013-Apr-28.15841240) 7.0648e-05 TDB node 27.94333098076108 3.1592e-05 deg peri 19.81620879812385 3.5485e-05 deg i 8.275291304156232 4.5495e-06 deg   Orbit Determination Parameters    # obs. used (total)      855      data-arc span      9679 days (26.50 yr)      first obs. used      1992-11-25      last obs. used      2019-05-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57327      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 04:34:58   Additional Information  Jupiter MOID = 2.45075 au   T_jup = 3.402  Orbit Covariance (6×6)   e q tp node peri i e 1.734403719961605E-15 -4.325131145287676E-15 5.398498458773212E-13 -4.786867147780064E-15 8.902282401518727E-14 -2.060790743820842E-15 q -4.325131145287676E-15 1.087681318654447E-14 -1.195924957419233E-12 1.299150298723034E-14 -1.809758224033313E-13 5.249400898100519E-15 tp 5.398498458773212E-13 -1.195924957419233E-12 4.991200050070822E-9 5.641548137934862E-12 1.162031299969419E-9 -8.742994664344603E-12 node -4.786867147780064E-15 1.299150298723034E-14 5.641548137934862E-12 9.980704691910356E-10 -9.858247403455489E-10 -5.486371568150425E-12 peri 8.902282401518727E-14 -1.809758224033313E-13 1.162031299969419E-9 -9.858247403455489E-10 1.259196871559766E-9 3.479313224026505E-12 i -2.060790743820842E-15 5.249400898100519E-15 -8.742994664344603E-12 -5.486371568150425E-12 3.479313224026505E-12 2.069784306885729E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.0   n/a MPO436031   diameter diameter 2.887 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.306   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   37609 LaVelle           Discovered 1992 Nov. 25 by E. M. Shoemaker and C. S. Shoemaker at Palomar. Lewis LaVelle McCoy (b. 1946), civic-minded entrepreneur, is a member of the Arizona Science, Technology, Engineering and Mathematics Initiative Committee. He has worked tirelessly to establish the Flagstaff Family YMCA and the Challenger Learning Center of Arizona. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20111210/MPCPages.arc Last Updated: 2011-12-12 Alternate Designations  1992 WS4 = 2000 OC50  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-12 22:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin