+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382809 (2003 UN207) Classification: Main-belt Asteroid          SPK-ID: 2382809 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2001588836510794 8.5252e-08   a 2.204069504858704 1.1335e-08 au q 1.762905413276798 1.8839e-07 au i 2.649538184438802 6.44e-06 deg node 250.9963038436736 0.00018164 deg peri 105.4364227500229 0.00018235 deg M 51.96760984816495 1.499e-05 deg tp 2458827.969215327004 (2019-Dec-10.46921533) 4.9369e-05 TDB period 1195.188361822874 3.27 9.2201e-06 2.524e-08 d yr n .3012077522667108 2.3236e-09 deg/d Q 2.64523359644061 1.3604e-08 au   Orbit Determination Parameters    # obs. used (total)      151      data-arc span      5723 days (15.67 yr)      first obs. used      2003-10-22      last obs. used      2019-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61625      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:59:56   Additional Information  Earth MOID = .760938 au   Jupiter MOID = 2.80815 au   T_jup = 3.635  [ 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 18.1   n/a MPO476793   382809 (2003 UN207)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-01-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-24 12:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin