+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   410453 (2008 CL109) Classification: Main-belt Asteroid          SPK-ID: 2410453 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1794575354008122 2.4406e-07   a 2.585207844119199 4.3259e-08 au q 2.121272815914721 6.139e-07 au i 12.66013047091059 9.9532e-06 deg node 330.4546566029591 2.5259e-05 deg peri 20.75011473314705 3.3271e-05 deg M 156.7668605636745 1.4619e-05 deg tp 2458339.360074074130 (2018-Aug-08.86007407) 6.3276e-05 TDB period 1518.244177867169 4.16 3.8108e-05 1.043e-07 d yr n .2371160089055822 5.9516e-09 deg/d Q 3.049142872323678 5.1022e-08 au   Orbit Determination Parameters    # obs. used (total)      253      data-arc span      6820 days (18.67 yr)      first obs. used      2001-07-20      last obs. used      2020-03-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5736      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:52:03   Additional Information  Earth MOID = 1.11892 au   Jupiter MOID = 2.38265 au   T_jup = 3.366  [ 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 16.60   n/a E2021B25   410453 (2008 CL109)          Discovered 2008-Feb-09 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-10-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 18:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin