+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160850 (2001 CB20) Classification: Inner Main-belt Asteroid          SPK-ID: 2160850 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1186652236472389 4.7457e-08   a 1.898094962780466 1.0547e-08 au q 1.672857099518424 9.3201e-08 au i 23.99561042857597 7.5294e-06 deg node 139.534284890757 1.1916e-05 deg peri 293.4719593062167 3.4143e-05 deg M 214.7615472447685 3.4754e-05 deg tp 2459385.849184929663 (2021-Jun-20.34918493) 9.3515e-05 TDB period 955.1582514340823 2.62 7.961e-06 2.18e-08 d yr n .3769008951757398 3.1414e-09 deg/d Q 2.123332826042507 1.1798e-08 au   Orbit Determination Parameters    # obs. used (total)      368      data-arc span      7074 days (19.37 yr)      first obs. used      2001-02-02      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51824      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 03:08:44   Additional Information  Earth MOID = .767743 au   Jupiter MOID = 3.0788 au   T_jup = 3.837  [ 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 16.6   n/a MPO469700   160850 (2001 CB20)          Discovered 2001-Feb-02 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-14 18:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin