+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103654 (2000 CX40) Classification: Main-belt Asteroid          SPK-ID: 2103654 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1670287746282371 4.0067e-08   a 2.330560351426083 7.3957e-09 au q 1.941289711730231 9.473e-08 au i 3.912723117046894 4.6431e-06 deg node 98.59124402861494 6.3808e-05 deg peri 37.49282528667056 6.5564e-05 deg M 317.1257557573045 1.4891e-05 deg tp 2459355.268628629459 (2021-May-20.76862863) 5.4053e-05 TDB period 1299.537922842753 3.56 6.1859e-06 1.694e-08 d yr n .2770215425591399 1.3186e-09 deg/d Q 2.719830991121935 8.631e-09 au   Orbit Determination Parameters    # obs. used (total)      635      data-arc span      9160 days (25.08 yr)      first obs. used      1995-12-22      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56282      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:35:19   Additional Information  Earth MOID = .956892 au   Jupiter MOID = 2.31373 au   T_jup = 3.549  [ 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 16.3   n/a MPO449626   103654 (2000 CX40)          Discovered 2000-Feb-02 by CSS at Catalina Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 10:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin