+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3165413528563823 6.0866e-08   a 3.115591434934144 2.0983e-08 au q 2.129377907172333 1.8878e-07 au i 22.27941675082145 4.9623e-06 deg node 111.7961388106453 1.5798e-05 deg peri 132.7221118655075 1.7441e-05 deg M 254.7815427022427 7.2236e-06 deg tp 2459587.581787552339 (2022-Jan-08.08178755) 4.3313e-05 TDB period 2008.672707686115 5.50 2.0292e-05 5.556e-08 d yr n .1792228264079423 1.8105e-09 deg/d Q 4.101804962695956 2.7625e-08 au   Orbit Determination Parameters    # obs. used (total)      959      data-arc span      11174 days (30.59 yr)      first obs. used      1989-06-29      last obs. used      2020-02-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5411      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 17:16:38   Additional Information  Earth MOID = 1.17072 au   Jupiter MOID = 1.36272 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 13.6   n/a MPO385285   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 ] 2020-Aug-06 22:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin