+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19410 Guisard (1998 FW14) Classification: Main-belt Asteroid          SPK-ID: 2019410 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1085425202791575 2.9051e-08   a 2.357496275036274 7.2265e-09 au q 2.101607687795111 7.118e-08 au i 6.257188493431712 3.7042e-06 deg node 204.9752117405207 2.7914e-05 deg peri 89.12072672237237 3.3752e-05 deg M 5.630646397644968 1.7801e-05 deg tp 2459179.820944272611 (2020-Nov-26.32094427) 6.5382e-05 TDB period 1322.132404722459 3.62 6.0792e-06 1.664e-08 d yr n .2722874038289462 1.252e-09 deg/d Q 2.613384862277436 8.0109e-09 au   Orbit Determination Parameters    # obs. used (total)      1604      data-arc span      24273 days (66.46 yr)      first obs. used      1954-03-07      last obs. used      2020-08-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51178      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:53:37   Additional Information  Earth MOID = 1.09524 au   Jupiter MOID = 2.54032 au   T_jup = 3.537  [ 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 15.16   n/a E2021B10   diameter diameter 2.400 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.212   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19410 Guisard           Discovered 1998 Mar. 26 by the OCA-DLR Asteroid Survey at Caussols. Stéphane Guisard (b. 1970) is an optician at the European Southern Observatory in Cerro Paranal, where he is working on the Very Large Telescope, including the very complex interferometer. Before that he worked at La Silla, mostly on the 3.6-m telescope. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20031110/MPCPages.arc Last Updated: 2003-11-12 Alternate Designations  1998 FW14 = 1999 RZ193  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 06:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin