+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259281 (2003 EL) Classification: Main-belt Asteroid          SPK-ID: 2259281 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2536367703289767 7.0384e-08   a 2.545720649110668 1.4317e-08 au q 1.900032285510452 1.8212e-07 au i 10.9742087064548 4.2417e-06 deg node 188.9135606089958 3.488e-05 deg peri 269.0484131117296 3.527e-05 deg M 123.3264040208202 8.7718e-06 deg tp 2458492.260854167072 (2019-Jan-08.76085417) 3.4111e-05 TDB period 1483.59221168052 4.06 1.2516e-05 3.427e-08 d yr n .242654280041154 2.0471e-09 deg/d Q 3.191409012710884 1.7949e-08 au   Orbit Determination Parameters    # obs. used (total)      287      data-arc span      6394 days (17.51 yr)      first obs. used      2003-01-14      last obs. used      2020-07-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55449      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 23:11:10   Additional Information  Earth MOID = .953385 au   Jupiter MOID = 2.13534 au   T_jup = 3.372  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.5   n/a MPO470762   diameter diameter 2.659 km 0.828 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.075   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   259281 (2003 EL)          Discovered 2003-Mar-02 by LINEAR at Socorro Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 22:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin