+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70108 (1999 KO12) Classification: Main-belt Asteroid          SPK-ID: 2070108 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2007656418722174 4.6401e-08   a 2.229443992389376 8.7969e-09 au q 1.781848238239164 1.0369e-07 au i 5.52850294259173 3.9804e-06 deg node 48.7689140927839 5.352e-05 deg peri 263.0296767779581 5.4518e-05 deg M 66.05652630431074 1.2431e-05 deg tp 2458777.396436125722 (2019-Oct-20.89643613) 4.1505e-05 TDB period 1215.887172521496 3.33 7.1964e-06 1.97e-08 d yr n .2960801035950033 1.7524e-09 deg/d Q 2.677039746539588 1.0563e-08 au   Orbit Determination Parameters    # obs. used (total)      888      data-arc span      7316 days (20.03 yr)      first obs. used      1999-05-10      last obs. used      2019-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61714      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 10:59:43   Additional Information  Earth MOID = .778223 au   Jupiter MOID = 2.60895 au   T_jup = 3.610  [ 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 15.7   n/a MPO337791   70108 (1999 KO12)          Discovered 1999-May-18 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-20 15:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin