+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243429 (2009 CA63) Classification: Outer Main-belt Asteroid          SPK-ID: 2243429 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2356568042541237 5.9902e-08   a 3.219532166858147 4.9967e-08 au q 2.460827505223002 2.0845e-07 au i 14.73304766497743 1.176e-05 deg node 352.8658026108111 2.6482e-05 deg peri 278.9311049738999 3.5415e-05 deg M 260.1987753231931 2.1651e-05 deg tp 2459585.452968896320 (2022-Jan-05.95296890) 0.00012848 TDB period 2110.024896834892 5.78 4.9121e-05 1.345e-07 d yr n .1706141005918992 3.9719e-09 deg/d Q 3.978236828493292 6.1742e-08 au   Orbit Determination Parameters    # obs. used (total)      158      data-arc span      7421 days (20.32 yr)      first obs. used      1999-09-30      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60662      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 09:21:00   Additional Information  Earth MOID = 1.49858 au   Jupiter MOID = 1.6441 au   T_jup = 3.095  [ 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 15.7   n/a MPO391275   diameter diameter 4.306 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243429 (2009 CA63)          Discovered 2009-Feb-04 by Mt. Lemmon Survey at Mount Lemmon Reference: 20100626/Numbers.arc Last Updated: 2010-06-28 [ show close-approach data ] Alternate Designations  2009 CA63 = 2005 VN62  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-20 06:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin