+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212024 (2005 CZ20) Classification: Main-belt Asteroid          SPK-ID: 2212024 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1295431446215689 4.489e-08   a 2.39381012149815 1.1728e-08 au q 2.08370843073234 1.049e-07 au i 3.025019375333451 3.757e-06 deg node 85.94064728565944 0.00010583 deg peri 37.91659484924998 0.0001079 deg M 65.30969237912602 1.9392e-05 deg tp 2458755.081039284367 (2019-Sep-28.58103928) 7.2661e-05 TDB period 1352.79807083988 3.70 9.9419e-06 2.722e-08 d yr n .2661151045081659 1.9557e-09 deg/d Q 2.703911812263961 1.3248e-08 au   Orbit Determination Parameters    # obs. used (total)      523      data-arc span      7094 days (19.42 yr)      first obs. used      2000-11-24      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57568      source      ORB      producer      Otto Matic      solution date      2020-May-21 08:42:43   Additional Information  Earth MOID = 1.10032 au   Jupiter MOID = 2.35358 au   T_jup = 3.517  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.6   n/a MPO459949   212024 (2005 CZ20)          Discovered 2005-Feb-02 by CSS at Catalina Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2195-Jun-30 02:30 < 00:01 Eunom 0.0466297124894173 0.0465826587310314 0.0466767776064092 5.89127202048165 5.89127196938152 2522947.604409040 0.899039036283827 2610.98801511284 57.1053274533547 -26.0708002327901 53710.8250449909 T 17 CATAB v2.0f-lin.ifort 2020-May-21 08:43:03 2020-May-21 08:43 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-07 00:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin