+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14353 (1987 DN6) Classification: Main-belt Asteroid          SPK-ID: 2014353 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1683261557418723 3.1141e-08   a 2.629045758148433 8.1046e-09 au q 2.186508592409831 8.0981e-08 au i 2.409945551938576 3.5502e-06 deg node 287.2433302064523 9.9192e-05 deg peri 179.9659625705122 0.00010012 deg M 13.69513871124538 1.2987e-05 deg tp 2459141.267566029670 (2020-Oct-18.76756603) 5.6105e-05 TDB period 1557.025210106809 4.26 7.1998e-06 1.971e-08 d yr n .2312101292022783 1.0691e-09 deg/d Q 3.071582923887034 9.4688e-09 au   Orbit Determination Parameters    # obs. used (total)      1779      data-arc span      12439 days (34.06 yr)      first obs. used      1987-02-23      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5302      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:26:07   Additional Information  Earth MOID = 1.20317 au   Jupiter MOID = 2.05816 au   T_jup = 3.379  [ 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 14.5   n/a MPO299066   diameter diameter 6.849 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.072   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14353 (1987 DN6)          Discovered 1987-Feb-23 by Debehogne, H. at La Silla Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1987 DN6 = 1991 BN2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 09:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin