+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180237 (2003 UT224) Classification: Main-belt Asteroid          SPK-ID: 2180237 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1537588371196698 3.693e-08   a 2.253321460231576 1.0024e-08 au q 1.906853372849572 8.7508e-08 au i 3.468865408640528 4.0294e-06 deg node 343.767555921427 7.3276e-05 deg peri 129.293176643994 7.5751e-05 deg M 324.4898285976004 1.6659e-05 deg tp 2459322.366243408160 (2021-Apr-17.86624341) 5.7117e-05 TDB period 1235.472708080848 3.38 8.2445e-06 2.257e-08 d yr n .2913864447553964 1.9445e-09 deg/d Q 2.59978954761358 1.1566e-08 au   Orbit Determination Parameters    # obs. used (total)      352      data-arc span      7323 days (20.05 yr)      first obs. used      2000-12-29      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50057      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:42:59   Additional Information  Earth MOID = .925425 au   Jupiter MOID = 2.49397 au   T_jup = 3.607  [ 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 17.5   n/a MPO338406   180237 (2003 UT224)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 13:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin