+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214324 (2005 JL56) Classification: Main-belt Asteroid          SPK-ID: 2214324 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .193527364152979 5.0999e-08   a 2.63452182885495 1.4486e-08 au q 2.124669763513166 1.2831e-07 au i 13.81205287955867 5.0227e-06 deg node 174.4136092747714 2.2846e-05 deg peri 185.1993562643645 2.752e-05 deg M 90.10302292299481 1.5737e-05 deg tp 2458609.579910273370 (2019-May-06.07991027) 6.6849e-05 TDB period 1561.89246194171 4.28 1.2883e-05 3.527e-08 d yr n .2304896199783537 1.9011e-09 deg/d Q 3.144373894196734 1.729e-08 au   Orbit Determination Parameters    # obs. used (total)      307      data-arc span      9650 days (26.42 yr)      first obs. used      1993-09-15      last obs. used      2020-02-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56953      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 03:48:59   Additional Information  Earth MOID = 1.12133 au   Jupiter MOID = 2.30856 au   T_jup = 3.331  [ 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 16.23   n/a E2021B55   diameter diameter 1.677 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.190   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   214324 (2005 JL56)          Discovered 2005-May-06 by Spacewatch at Kitt Peak Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  2005 JL56 = 2000 EA207  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-27 05:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin