+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101653 (1999 CK68) Classification: Main-belt Asteroid          SPK-ID: 2101653 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .098594429353784 3.5611e-08   a 2.570871468744353 1.0248e-08 au q 2.317397863341579 9.0354e-08 au i 11.54748651383913 4.1616e-06 deg node 321.4481877519817 2.2581e-05 deg peri 140.6893274979215 3.3079e-05 deg M 93.825795292915 2.4656e-05 deg tp 2458608.091209861014 (2019-May-04.59120986) 0.00010268 TDB period 1505.632475685525 4.12 9.0028e-06 2.465e-08 d yr n .239102175207857 1.4297e-09 deg/d Q 2.824345074147127 1.1259e-08 au   Orbit Determination Parameters    # obs. used (total)      1502      data-arc span      16466 days (45.08 yr)      first obs. used      1975-06-08      last obs. used      2020-07-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50336      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:59:16   Additional Information  Earth MOID = 1.3453 au   Jupiter MOID = 2.28396 au   T_jup = 3.395  [ 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 14.1   n/a MPO385427   101653 (1999 CK68)          Discovered 1999-Feb-12 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-05 00:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin