+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   193627 (2001 CD33) Classification: Main-belt Asteroid          SPK-ID: 2193627 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1322729337990744 6.1676e-08   a 2.663759225494236 2.5342e-08 au q 2.311415977803763 1.6445e-07 au i 15.24113374462645 6.4056e-06 deg node 75.91233250696656 2.2841e-05 deg peri 353.3341393979642 3.3205e-05 deg M 214.3418705624449 2.7285e-05 deg tp 2459642.999959657743 (2022-Mar-04.49995966) 0.00012496 TDB period 1587.96482125598 4.35 2.2661e-05 6.204e-08 d yr n .2267052740597003 3.2351e-09 deg/d Q 3.016102473184709 2.8694e-08 au   Orbit Determination Parameters    # obs. used (total)      377      data-arc span      7106 days (19.46 yr)      first obs. used      2001-01-06      last obs. used      2020-06-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .574      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 06:27:43   Additional Information  Earth MOID = 1.32659 au   Jupiter MOID = 2.27959 au   T_jup = 3.322  [ 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 15.5   n/a MPO338473   193627 (2001 CD33)          Discovered 2001-Feb-13 by LINEAR at Socorro Reference: 20081113/Numbers.arc Last Updated: 2008-11-17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 16:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin