+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15483 (1999 CW25) Classification: Outer Main-belt Asteroid          SPK-ID: 2015483 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06280302085262661 3.768e-08   a 3.226076445144256 2.2123e-08 au q 3.023469098887694 1.1565e-07 au i 7.990678623933198 5.3969e-06 deg node 336.8603173898245 2.7734e-05 deg peri 297.31004898 5.2771e-05 deg M 112.535183686237 4.6049e-05 deg tp 2458338.898880239909 (2018-Aug-08.39888024) 0.00026983 TDB period 2116.461672801815 5.79 2.1771e-05 5.961e-08 d yr n .1700952134528496 1.7497e-09 deg/d Q 3.428683791400819 2.3513e-08 au   Orbit Determination Parameters    # obs. used (total)      1293      data-arc span      10943 days (29.96 yr)      first obs. used      1990-08-16      last obs. used      2020-08-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53047      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:59:38   Additional Information  Earth MOID = 2.01827 au   Jupiter MOID = 1.74484 au   T_jup = 3.169  [ 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 13.3   n/a MPO412297   diameter diameter 10.411 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.086   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15483 (1999 CW25)          Discovered 1999-Feb-10 by LINEAR at Socorro Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 CW25 = 1990 QV11 = 1990 QY12 = 1996 TS50 = 2000 FN49  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-18 12:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin