+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .152755906421684 3.2091e-08   a 3.086892567186975 1.4286e-08 au q 2.61535149505997 1.0253e-07 au i 1.385230851412556 4.0984e-06 deg node 3.946420782243111 0.00013826 deg peri 290.9283433198058 0.0001388 deg M 264.2100971644316 1.3406e-05 deg tp 2459527.605965547994 (2021-Nov-09.10596555) 7.476e-05 TDB period 1980.982775637781 5.42 1.3752e-05 3.765e-08 d yr n .1817279808927653 1.2616e-09 deg/d Q 3.55843363931398 1.6468e-08 au   Orbit Determination Parameters    # obs. used (total)      2445      data-arc span      23803 days (65.17 yr)      first obs. used      1955-04-16      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51967      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:42:10   Additional Information  Earth MOID = 1.59975 au   Jupiter MOID = 1.6423 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 12.8   n/a MPO384805   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 ] 2020-Nov-25 17:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin