+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   351385 (2005 EL129) Classification: Main-belt Asteroid          SPK-ID: 2351385 [ 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 .05476974589421343 4.5073e-08   a 2.729238917229434 2.6448e-08 au q 2.57975919524818 1.1617e-07 au i 2.687821818034457 5.8842e-06 deg node 296.4390298821866 0.00012278 deg peri 321.3499743730264 0.00013962 deg M 56.3659257724589 6.5636e-05 deg tp 2458742.645388002027 (2019-Sep-16.14538800) 0.0003012 TDB period 1646.875466820186 4.51 2.3939e-05 6.554e-08 d yr n .2185957634641883 3.1775e-09 deg/d Q 2.878718639210688 2.7896e-08 au   Orbit Determination Parameters    # obs. used (total)      192      data-arc span      7563 days (20.71 yr)      first obs. used      2000-01-27      last obs. used      2020-10-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65339      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:43:55   Additional Information  Earth MOID = 1.56519 au   Jupiter MOID = 2.14953 au   T_jup = 3.351  [ 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 16.8   n/a MPO437487   351385 (2005 EL129)          Discovered 2005-Mar-09 by Spacewatch at Kitt Peak Reference: 20130127/Numbers.arc Last Updated: 2013-01-31 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1934-Sep-23 18:05 00:02 Psych 0.0307029627824838 0.030661897658243 0.0307440537580886 3.59627210167499 3.59627199209776 2427704.253309108 1.51222066504195 2482.6139991864 106.119497832307 -34.5189019623387 24546.1549786431 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 16:43:56 2020-Nov-11 16:43 Alternate Designations  2005 EL129 = 2000 BW39 = 2009 AN28  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 23:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin