+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1542645831970885 3.4315e-08   a 2.561968242761965 1.0951e-08 au q 2.166747279628114 8.7458e-08 au i 8.263064446333793 4.0713e-06 deg node 27.78302262046385 3.157e-05 deg peri 20.06124842023626 3.557e-05 deg M 310.6457915968311 1.8542e-05 deg tp 2459405.843391113199 (2021-Jul-10.34339111) 7.7733e-05 TDB period 1497.817981333589 4.10 9.6036e-06 2.629e-08 d yr n .2403496315883939 1.5411e-09 deg/d Q 2.957189205895817 1.264e-08 au   Orbit Determination Parameters    # obs. used (total)      950      data-arc span      10219 days (27.98 yr)      first obs. used      1992-11-25      last obs. used      2020-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56375      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 04:07:18   Additional Information  Earth MOID = 1.1772 au   Jupiter MOID = 2.45368 au   T_jup = 3.403  [ hide covariance matrix ] Orbital Elements at Epoch 2457228.5 (2015-Jul-25.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1567829728502392 3.4507e-08   q 2.159102414969436 8.8279e-08 au tp 2457906.969016978280 (2017-Jun-02.46901698) 7.2285e-05 TDB node 27.94263431278057 3.1509e-05 deg peri 19.78132566260246 3.5357e-05 deg i 8.274937362413073 4.0757e-06 deg   Orbit Determination Parameters    # obs. used (total)      950      data-arc span      10219 days (27.98 yr)      first obs. used      1992-11-25      last obs. used      2020-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56375      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 04:07:18   Additional Information  Jupiter MOID = 2.45368 au   T_jup = 3.403  Orbit Covariance (6×6)   e q tp node peri i e 1.190745510041277E-15 -3.030320949583349E-15 2.761662910863263E-13 -3.167482424749744E-15 4.967590624062719E-14 -8.28700938730385E-16 q -3.030320949583349E-15 7.793250280557472E-15 -4.827255926521605E-13 9.531418343724918E-15 -8.657882308857596E-14 2.347379751462552E-15 tp 2.761662910863263E-13 -4.827255926521605E-13 5.22510562173132E-9 1.05992856996724E-11 1.181926531896638E-9 -3.559443407541434E-12 node -3.167482424749744E-15 9.531418343724918E-15 1.05992856996724E-11 9.928246579397474E-10 -9.798631831647093E-10 -7.729492903605454E-12 peri 4.967590624062719E-14 -8.657882308857596E-14 1.181926531896638E-9 -9.798631831647093E-10 1.250135220772092E-9 6.835225395578662E-12 i -8.28700938730385E-16 2.347379751462552E-15 -3.559443407541434E-12 -7.729492903605454E-12 6.835225395578662E-12 1.661105962531234E-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 15.02   n/a E2021B10   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 ] 2021-Mar-03 01:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin