VizieR Online Data Catalog: Saturnian satellites Cassini ISS astrometry (Cooper+, 2014)

Table2.dat contains astrometric observations of the Saturnian satellites Mimas, Enceladus, Tethys, Dione and Rhea, from Cassini ISS NAC images. The camera's field of view is ~0.35° with a resolution of ~1.2354-arcsec/pixel. Image size is 1024x1024-pixel. Although image sequences were designed to observe mutual occultations between the satellites, we provide their individual absolute positions (not inter-satellite separations). Positions are provided in both right ascension and declination, and as image pixel locations. The orientation of the camera's pointing vector is also provided. Positions are given in International Celestial Reference Frame (ICRF), centered on the Cassini spacecraft. Measured reference star positions used to estimate the camera pointing correction are provided separately in table5.dat. The origin of the line, sample coordinate system is at the top left of the image with line, y, increasing downward and sample, x, to the right.

(2 data files).