+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15487 (1999 CC63) Classification: Main-belt Asteroid          SPK-ID: 2015487 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1307824215556583 3.3413e-08   a 3.180554073749282 1.9382e-08 au q 2.764593510095637 1.073e-07 au i 5.065776237021819 3.8782e-06 deg node 225.6256561780366 4.7499e-05 deg peri 11.54737562606804 5.0334e-05 deg M 225.7530034432884 1.8273e-05 deg tp 2459973.099957077391 (2023-Jan-28.59995708) 0.00010836 TDB period 2071.822772067486 5.67 1.8938e-05 5.185e-08 d yr n .1737600362606081 1.5883e-09 deg/d Q 3.596514637402927 2.1917e-08 au   Orbit Determination Parameters    # obs. used (total)      2118      data-arc span      9779 days (26.77 yr)      first obs. used      1994-04-11      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48775      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:24:15   Additional Information  Earth MOID = 1.75171 au   Jupiter MOID = 1.40665 au   T_jup = 3.180  [ 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 13.02   n/a E2021B10   diameter diameter 11.069 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.131   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15487 (1999 CC63)          Discovered 1999-Feb-12 by LINEAR at Socorro Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 CC63 = 1994 GW8 = 1997 WF44  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 06:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin