+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   74458 (1999 CA32) Classification: Main-belt Asteroid          SPK-ID: 2074458 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3164257064246638 5.1719e-08   a 3.115303448383214 1.8134e-08 au q 2.129541354001364 1.6442e-07 au i 22.27884275853579 4.3792e-06 deg node 111.7956891208561 1.2122e-05 deg peri 132.7383619641949 1.4522e-05 deg M 290.5948268549705 7.3677e-06 deg tp 2459587.702632959922 (2022-Jan-08.20263296) 4.3112e-05 TDB period 2008.394209669292 5.50 1.7536e-05 4.801e-08 d yr n .1792476787011244 1.5651e-09 deg/d Q 4.101065542765063 2.3873e-08 au   Orbit Determination Parameters    # obs. used (total)      1281      data-arc span      11590 days (31.73 yr)      first obs. used      1989-06-29      last obs. used      2021-03-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49169      source      ORB      producer      Otto Matic      solution date      2021-May-04 07:19:46   Additional Information  Earth MOID = 1.16926 au   Jupiter MOID = 1.36244 au   T_jup = 3.029  [ 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 13.63   n/a MPCxxxxx   diameter diameter 8.684 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.090   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   74458 (1999 CA32)          Discovered 1999-Feb-10 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 CA32 = 1989 MB = 2000 OW23  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-07 17:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin