+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19294 Weymouth (1996 PF) Classification: Main-belt Asteroid          SPK-ID: 2019294 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1044070188285465 3.8372e-08   a 2.403735290226992 8.0711e-09 au q 2.152768454521421 9.4003e-08 au i 5.920516101864085 3.3438e-06 deg node 271.853830535897 4.2333e-05 deg peri 212.5500892490433 4.9284e-05 deg M 36.71863703499692 2.41e-05 deg tp 2459061.660692884199 (2020-Jul-31.16069288) 9.1035e-05 TDB period 1361.220203082424 3.73 6.8559e-06 1.877e-08 d yr n .2644685989708319 1.332e-09 deg/d Q 2.654702125932564 8.9137e-09 au   Orbit Determination Parameters    # obs. used (total)      1579      data-arc span      8930 days (24.45 yr)      first obs. used      1996-08-06      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51344      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:42:22   Additional Information  Earth MOID = 1.17107 au   Jupiter MOID = 2.41984 au   T_jup = 3.509  [ 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 14.54   n/a E2021B10   diameter diameter 2.630 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.533   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19294 Weymouth           Discovered 1996 Aug. 6 by R. Linderholm at Lime Creek. John Weymouth (b. 1922), professor emeritus of physics at the University of Nebraska, received the 1997 Fryxell Award for Interdisciplinary Research in Archaeology. He is internationally recognized for his work in geophysical surveys and currently serves as an associate editor for the Journal of Geophysical Prospection . NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030106/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1996 PF = 1998 AU7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 21:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin