+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5609 Stroncone (1993 FU) Classification: Main-belt Asteroid          SPK-ID: 2005609 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .15282025016884 3.2091e-08   a 3.086304831906762 1.4231e-08 au q 2.614654955397471 1.0254e-07 au i 1.385315206582255 4.0981e-06 deg node 3.947343906127223 0.00013823 deg peri 291.003402881791 0.00013877 deg M 300.4925500739442 1.3466e-05 deg tp 2459527.859911100056 (2021-Nov-09.35991110) 7.4706e-05 TDB period 1980.417042613328 5.42 1.3697e-05 3.75e-08 d yr n .1817798939585722 1.2572e-09 deg/d Q 3.557954708416053 1.6405e-08 au   Orbit Determination Parameters    # obs. used (total)      2450      data-arc span      24005 days (65.72 yr)      first obs. used      1955-04-16      last obs. used      2021-01-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51917      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:07:22   Additional Information  Earth MOID = 1.59709 au   Jupiter MOID = 1.64246 au   T_jup = 3.208  [ 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 12.86   n/a E2021B10   diameter diameter 14.286 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.065   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   5609 Stroncone (1993 FU)          Discovered 1993-Mar-22 by Vagnozzi, A. at Stroncone Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1993 FU = 1973 SW5 = 1978 PF1 = 1978 QB = 1989 RT4 = 1992 AG4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-27 23:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin