+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259605 (2003 UK280) Classification: Main-belt Asteroid          SPK-ID: 2259605 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1896987342209178 5.8355e-08   a 2.264454229821785 7.2291e-09 au q 1.834890128723389 1.3135e-07 au i 7.058348188170316 4.6958e-06 deg node 96.49081081834612 4.9883e-05 deg peri 287.9130981949849 5.1085e-05 deg M 330.1163947980531 1.0462e-05 deg tp 2459103.817582755332 (2020-Sep-11.31758276) 3.6259e-05 TDB period 1244.63998036945 3.41 5.9601e-06 1.632e-08 d yr n .2892402668064224 1.3851e-09 deg/d Q 2.694018330920181 8.6005e-09 au   Orbit Determination Parameters    # obs. used (total)      374      data-arc span      6229 days (17.05 yr)      first obs. used      2003-10-27      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54077      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:16:51   Additional Information  Earth MOID = .853805 au   Jupiter MOID = 2.7772 au   T_jup = 3.583  [ 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 17.0   n/a MPO437205   259605 (2003 UK280)          Discovered 2003-Oct-27 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-22 04:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin