+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09845126158314876 3.5548e-08   a 2.570991539890349 1.0174e-08 au q 2.317874179268542 9.0177e-08 au i 11.54753796444412 4.1517e-06 deg node 321.4467321814668 2.2568e-05 deg peri 140.6783069290595 3.3089e-05 deg M 141.672047305007 2.4722e-05 deg tp 2458607.941724982371 (2019-May-04.44172498) 0.00010271 TDB period 1505.737956529178 4.12 8.9375e-06 2.447e-08 d yr n .2390854254812191 1.4191e-09 deg/d Q 2.824108900512156 1.1175e-08 au   Orbit Determination Parameters    # obs. used (total)      1510      data-arc span      16466 days (45.08 yr)      first obs. used      1975-06-08      last obs. used      2020-07-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50261      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:37:52   Additional Information  Earth MOID = 1.34566 au   Jupiter MOID = 2.28367 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 14.13   n/a E2021B55   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 ] 2021-Apr-18 21:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin