+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .128999072201535 5.0842e-08   a 2.394859517974101 1.0622e-08 au q 2.085924862102427 1.1951e-07 au i 1.519402759852625 5.4846e-06 deg node 24.924640171826 0.00013223 deg peri 177.811200717112 0.00013298 deg M 234.4081114450183 1.6555e-05 deg tp 2459472.756105634702 (2021-Sep-15.25610563) 6.3837e-05 TDB period 1353.68772605139 3.71 9.0062e-06 2.466e-08 d yr n .2659402113736336 1.7693e-09 deg/d Q 2.703794173845775 1.1992e-08 au   Orbit Determination Parameters    # obs. used (total)      1042      data-arc span      11618 days (31.81 yr)      first obs. used      1988-04-13      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54938      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 22:14:52   Additional Information  Earth MOID = 1.08251 au   Jupiter MOID = 2.25423 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 15.1   n/a MPO502305   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 ] 2020-Sep-19 07:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin