+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101613 (1999 CX8) Classification: Main-belt Asteroid          SPK-ID: 2101613 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2305057636791196 4.1967e-08   a 2.581068449870261 1.0538e-08 au q 1.986117295724835 1.1266e-07 au i 4.171137207785001 4.6005e-06 deg node 55.21991703728441 3.9907e-05 deg peri 26.73892728234018 4.1641e-05 deg M 106.3877312437996 1.0846e-05 deg tp 2458552.903422718240 (2019-Mar-10.40342272) 4.3924e-05 TDB period 1514.599154785762 4.15 9.2756e-06 2.54e-08 d yr n .237686650532247 1.4556e-09 deg/d Q 3.176019604015686 1.2967e-08 au   Orbit Determination Parameters    # obs. used (total)      1020      data-arc span      9192 days (25.17 yr)      first obs. used      1995-03-27      last obs. used      2020-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4886      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:59:32   Additional Information  Earth MOID = 1.00299 au   Jupiter MOID = 2.08422 au   T_jup = 3.383  [ 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 15.7   n/a MPO453469   101613 (1999 CX8)          Discovered 1999-Feb-12 by Comba, P. G. at Prescott Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-28 11:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin