+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1374685363874908 2.1414e-08   a 2.24392917779047 6.6085e-09 au q 1.935459517962428 4.8383e-08 au i 6.791404552968947 4.961e-07 deg node 156.1578044129195 8.6872e-06 deg peri 145.1091870676963 9.7241e-06 deg M 312.9810129331261 6.193e-06 deg tp 2459360.855150432362 (2021-May-26.35515043) 2.1597e-05 TDB period 1227.756226937544 3.36 5.4237e-06 1.485e-08 d yr n .293217816453651 1.2953e-09 deg/d Q 2.552398837618512 7.517e-09 au   Orbit Determination Parameters    # obs. used (total)      2308      data-arc span      13079 days (35.81 yr)      first obs. used      1984-09-18      last obs. used      2020-07-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48315      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:25:33   Additional Information  Earth MOID = .922794 au   Jupiter MOID = 2.66449 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-Apr-16 18:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin