+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2009 UK14) Classification: Apollo [NEO]          SPK-ID: 3472194 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ 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 .4667142059301413 0.00062209   a 1.748704368075392 0.0018349 au q .9325591975225161 0.00010933 au i 2.173403957409949 0.0024848 deg node 26.25135527482492 0.0011279 deg peri 52.75780462167387 0.00050918 deg M 193.7793517770944 2.6696 deg tp 2459390.491812941691 (2021-Jun-24.99181294) 6.8772 TDB period 844.64267321791 2.31 1.3294 0.00364 d yr n .4262157376307736 0.00067083 deg/d Q 2.564849538628268 0.0026913 au   Orbit Determination Parameters    # obs. used (total)      64      data-arc span      14 days      first obs. used      2009-10-22      last obs. used      2009-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .39931      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:59:28   Additional Information  Earth MOID = .011067 au   Jupiter MOID = 2.71963 au   T_jup = 4.000  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 25.5   n/a MPO166375   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-19 10:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin