+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160971 (2002 CM13) Classification: Main-belt Asteroid          SPK-ID: 2160971 [ 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 .06008786157696906 3.9162e-08   a 2.793943945215072 2.2532e-08 au q 2.626061828181178 1.0771e-07 au i 11.56546402357446 6.1227e-06 deg node 316.836112584012 2.1946e-05 deg peri 275.9800453196269 5.8461e-05 deg M 242.7824970092729 5.6386e-05 deg tp 2459555.911572850878 (2021-Dec-07.41157285) 0.00026927 TDB period 1705.787626632293 4.67 2.0634e-05 5.649e-08 d yr n .2110462019886624 2.553e-09 deg/d Q 2.961826062248966 2.3886e-08 au   Orbit Determination Parameters    # obs. used (total)      483      data-arc span      6973 days (19.09 yr)      first obs. used      2000-12-01      last obs. used      2020-01-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59319      source      ORB      producer      Otto Matic      solution date      2020-Jan-29 20:34:54   Additional Information  Earth MOID = 1.64612 au   Jupiter MOID = 2.15756 au   T_jup = 3.296  [ 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 15.4   n/a MPO412929   160971 (2002 CM13)          Discovered 2002-Feb-08 by Yeung, W. K. Y. at Desert Eagle Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-08 09:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin