+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2009 UT19) Classification: Aten [NEO]          SPK-ID: 3472370 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455129.5 (2009-Oct-25.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6605275418525263 0.010215   a .8901982039900653 0.001733 au q .3021977725469737 0.0085169 au i 9.640850322346751 0.3252 deg node 212.5818951407003 0.15437 deg peri 328.4222415903394 0.36342 deg M 266.1882296104815 0.96397 deg tp 2455209.443531382509 (2010-Jan-12.94353138) 0.59029 TDB period 306.7810273509001 0.84 0.89587 0.002453 d yr n 1.173475436563511 0.0034268 deg/d Q 1.478198635433157 0.0028778 au   Orbit Determination Parameters    # obs. used (total)      22      data-arc span      3 days      first obs. used      2009-10-24      last obs. used      2009-10-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .63269      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:59:25   Additional Information  Earth MOID = .0284396 au   Jupiter MOID = 3.48817 au   T_jup = 6.457  [ 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 22.5   n/a MPO164415   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin