+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180236 (2003 UG199) Classification: Main-belt Asteroid          SPK-ID: 2180236 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .134931075208601 5.2672e-08   a 2.276372969379462 8.7165e-09 au q 1.969219517045296 1.2376e-07 au i 6.526659330809796 5.0082e-06 deg node 43.8713599017935 3.8699e-05 deg peri 3.511782559150619 4.2913e-05 deg M 347.9174388035186 1.8906e-05 deg tp 2459242.603680315527 (2021-Jan-28.10368032) 6.5956e-05 TDB period 1254.479465661958 3.43 7.2053e-06 1.973e-08 d yr n .2869716163987083 1.6483e-09 deg/d Q 2.583526421713629 9.8926e-09 au   Orbit Determination Parameters    # obs. used (total)      538      data-arc span      7328 days (20.06 yr)      first obs. used      2001-01-18      last obs. used      2021-02-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52085      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:25:41   Additional Information  Earth MOID = .978048 au   Jupiter MOID = 2.78266 au   T_jup = 3.588  [ 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 16.71   n/a E2021B55   180236 (2003 UG199)          Discovered 2003-Oct-21 by LINEAR at Socorro Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 21:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin