+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1182771142299603 2.8984e-08   a 2.624266551130808 9.9951e-09 au q 2.313875876492845 7.8622e-08 au i 2.873375842605737 3.9161e-06 deg node 197.7429411665282 5.8793e-05 deg peri 267.7047981550394 6.132e-05 deg M 338.2527086327472 1.7313e-05 deg tp 2459094.302198358372 (2020-Sep-01.80219836) 7.481e-05 TDB period 1552.781486151559 4.25 8.8712e-06 2.429e-08 d yr n .2318420223390417 1.3245e-09 deg/d Q 2.934657225768771 1.1177e-08 au   Orbit Determination Parameters    # obs. used (total)      1964      data-arc span      14237 days (38.98 yr)      first obs. used      1981-11-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49393      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:45:33   Additional Information  Earth MOID = 1.33286 au   Jupiter MOID = 2.18828 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 14.1   n/a MPO350892   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-Jan-17 19:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin