+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06259615338373602 3.7491e-08   a 3.226968280741152 2.126e-08 au q 3.024972479275428 1.1422e-07 au i 7.990452836770774 4.3819e-06 deg node 336.8558536483675 2.7515e-05 deg peri 297.4956127719108 4.8711e-05 deg M 146.3683157714111 4.2324e-05 deg tp 2458339.635009304537 (2018-Aug-09.13500930) 0.00024653 TDB period 2117.339364172004 5.80 2.0924e-05 5.729e-08 d yr n .1700247046324479 1.6802e-09 deg/d Q 3.428964082206876 2.2591e-08 au   Orbit Determination Parameters    # obs. used (total)      1489      data-arc span      11138 days (30.49 yr)      first obs. used      1990-08-16      last obs. used      2021-02-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51567      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:59:48   Additional Information  Earth MOID = 2.01787 au   Jupiter MOID = 1.7437 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 13.38   n/a E2021B10   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 ] 2021-Apr-14 18:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin