+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17897 Gallardo (1999 FV8) Classification: Main-belt Asteroid          SPK-ID: 2017897 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .128868290643566 3.9655e-08   a 2.395162037031594 7.7055e-09 au q 2.086501599504971 9.7e-08 au i 1.519340166489171 3.8372e-06 deg node 24.91921817420442 0.00013108 deg peri 177.7709786419532 0.00013179 deg M 287.6258261650268 1.4869e-05 deg tp 2459472.696097652452 (2021-Sep-15.19609765) 5.6316e-05 TDB period 1353.944231243587 3.71 6.5337e-06 1.789e-08 d yr n .2658898289107098 1.2831e-09 deg/d Q 2.703822474558216 8.6985e-09 au   Orbit Determination Parameters    # obs. used (total)      1327      data-arc span      12023 days (32.92 yr)      first obs. used      1988-04-13      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50749      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:17:26   Additional Information  Earth MOID = 1.08226 au   Jupiter MOID = 2.25307 au   T_jup = 3.518  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.08   n/a E2021B10   diameter diameter 2.926 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.172   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17897 Gallardo           Discovered 1999 Mar. 19 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. Tabaré Gallardo (b. 1962) is a dynamicist at the astronomy department of the University of the Republic, Montevideo. He works on the dynamics of minor bodies, transneptunian objects and extrasolar planets. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050721/MPCPages.arc Last Updated: 2005-07-21 [ show close-approach data ] Alternate Designations  1999 FV8 = 1988 GH2 = 1993 SR14  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 18:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin