+ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2007656042265198 4.1364e-08   a 2.229443990991219 8.2515e-09 au q 1.781848321050683 9.3136e-08 au i 5.528506873423277 3.8311e-06 deg node 48.76888674907548 4.9022e-05 deg peri 263.0297113579286 5.0009e-05 deg M 66.05652396560563 1.1062e-05 deg tp 2458777.396444234488 (2019-Oct-20.89644423) 3.6984e-05 TDB period 1215.887171377712 3.33 6.7503e-06 1.848e-08 d yr n .2960801038735255 1.6438e-09 deg/d Q 2.677039660931754 9.9082e-09 au   Orbit Determination Parameters    # obs. used (total)      963      data-arc span      7855 days (21.51 yr)      first obs. used      1999-05-10      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59611      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:05:20   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 ] 2021-Jan-26 07:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin