+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11332 Jameswatt (1996 GO20) Classification: Main-belt Asteroid          SPK-ID: 2011332 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1183544056694214 2.4697e-08   a 2.624506924326681 8.514e-09 au q 2.313884967122716 6.4843e-08 au i 2.873341911512071 3.5177e-06 deg node 197.7349068152597 5.6286e-05 deg peri 267.6587274088051 5.8751e-05 deg M 24.66004805810697 1.5693e-05 deg tp 2459094.119646508144 (2020-Sep-01.61964651) 6.7673e-05 TDB period 1552.994834674621 4.25 7.557e-06 2.069e-08 d yr n .2318101721667517 1.128e-09 deg/d Q 2.935128881530647 9.5217e-09 au   Orbit Determination Parameters    # obs. used (total)      2193      data-arc span      14356 days (39.30 yr)      first obs. used      1981-11-24      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47883      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 22:40:58   Additional Information  Earth MOID = 1.33272 au   Jupiter MOID = 2.18762 au   T_jup = 3.391  [ 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 14.12   n/a E2021B10   diameter diameter 4.289 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.264   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11332 Jameswatt           In 1765, Scottish inventor James Watt (1736-1819) suggested using a separate condenser in the steam engine, lessening the consumption of steam and fuel in fire engines. With the invention of the double-acting machine, in which the piston pushed as well as pulled, "Watt's engine" was nearly complete. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000320/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1996 GO20 = 1981 WC3 = 1998 UU15  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 14:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin