+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14343 (1984 SM5) Classification: Main-belt Asteroid          SPK-ID: 2014343 [ 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 .1373856877073078 3.1358e-08   a 2.244036433778708 6.9681e-09 au q 1.935737945083766 7.0757e-08 au i 6.791238657913868 4.1921e-06 deg node 156.1574673230048 3.006e-05 deg peri 145.0808045116947 3.5179e-05 deg M 254.3589591471664 2.0533e-05 deg tp 2459360.807625278472 (2021-May-26.30762528) 7.0735e-05 TDB period 1227.844254970445 3.36 5.719e-06 1.566e-08 d yr n .2931967947422333 1.3656e-09 deg/d Q 2.55233492247365 7.9254e-09 au   Orbit Determination Parameters    # obs. used (total)      2283      data-arc span      13079 days (35.81 yr)      first obs. used      1984-09-18      last obs. used      2020-07-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48104      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:40:31   Additional Information  Earth MOID = .925048 au   Jupiter MOID = 2.66518 au   T_jup = 3.611  [ 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 13.9   n/a MPO492911   diameter diameter 4.248 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.427   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14343 (1984 SM5)          Discovered 1984-Sep-18 by Debehogne, H. at La Silla Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1984 SM5 = 1998 XP77  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 13:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin