+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117489 (2005 CB16) Classification: Main-belt Asteroid          SPK-ID: 2117489 [ 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 .06731670136136302 4.8344e-08   a 2.585263654216256 1.7652e-08 au q 2.411232232864994 1.2724e-07 au i 1.518614689050339 5.5274e-06 deg node 208.0213044538811 0.00019506 deg peri 232.623620627291 0.00019898 deg M 293.0388568051532 4.0716e-05 deg tp 2459282.907383102650 (2021-Mar-09.40738310) 0.0001722 TDB period 1518.293342470563 4.16 1.555e-05 4.257e-08 d yr n .2371083307354881 2.4284e-09 deg/d Q 2.759295075567517 1.884e-08 au   Orbit Determination Parameters    # obs. used (total)      423      data-arc span      9205 days (25.20 yr)      first obs. used      1993-03-24      last obs. used      2018-06-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55906      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 02:35:42   Additional Information  Earth MOID = 1.42728 au   Jupiter MOID = 2.38249 au   T_jup = 3.419  [ 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 16.0   n/a MPO432679   117489 (2005 CB16)          Discovered 2005-Feb-02 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-12 18:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin