+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259578 (2003 UO197) Classification: Main-belt Asteroid          SPK-ID: 2259578 [ 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 .1839034681127208 6.2822e-08   a 2.251125074206925 9.8433e-09 au q 1.837135365904765 1.4064e-07 au i 1.082159464506335 6.6937e-06 deg node .06185544900272984 0.00027635 deg peri 358.2950879233754 0.00027674 deg M 351.5173429607809 1.5537e-05 deg tp 2459029.568811298980 (2020-Jun-29.06881130) 5.3335e-05 TDB period 1233.666764935758 3.38 8.0915e-06 2.215e-08 d yr n .291813000262471 1.914e-09 deg/d Q 2.665114782509084 1.1653e-08 au   Orbit Determination Parameters    # obs. used (total)      228      data-arc span      8860 days (24.26 yr)      first obs. used      1996-08-09      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66948      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:50:36   Additional Information  Earth MOID = .833312 au   Jupiter MOID = 2.78086 au   T_jup = 3.604  [ 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 MPO433691   259578 (2003 UO197)          Discovered 2003-Oct-21 by LONEOS at Anderson Mesa Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 23:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin