+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344292 (2001 UK12) Classification: Main-belt Asteroid          SPK-ID: 2344292 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2243896623096746 4.6538e-08   a 2.343486564370205 1.3035e-08 au q 1.817632405563915 1.0805e-07 au i 1.642411709228961 5.1004e-06 deg node 311.3037988863036 0.0001454 deg peri 12.84388377261065 0.00014608 deg M 114.0875048797704 1.1874e-05 deg tp 2458585.232722940876 (2019-Apr-11.73272294) 4.174e-05 TDB period 1310.364530268492 3.59 1.0933e-05 2.993e-08 d yr n .2747327111534655 2.2922e-09 deg/d Q 2.869340723176495 1.596e-08 au   Orbit Determination Parameters    # obs. used (total)      287      data-arc span      6674 days (18.27 yr)      first obs. used      2001-10-11      last obs. used      2020-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49547      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 23:02:10   Additional Information  Earth MOID = .805524 au   Jupiter MOID = 2.46494 au   T_jup = 3.528  [ 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 MPO440550   344292 (2001 UK12)          Discovered 2001-Oct-24 by Yeung, W. K. Y. at Desert Eagle Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-11 07:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin