Abstract
A preliminary investigation into the use of slitless spectroscopy for characterization of geosynchro- nous satellites is described. A 100 line∕mm diffraction grating is used as the dispersing device, and the spectral data obtained are compared to a model with good results. A method used to collect and calibrate slitless spectral observations accounting for pixel to wavelength conversion, pixel response as a function of wavelength, and solar features is presented. Observations of several geosynchronous satellites throughout a night reveal reflec- tance with noticeable and different profiles indicating that slitless spectroscopy offers the potential for another modality for identifying and discriminating satellites.©2015 Society of Photo-Optical Instrumentation Engineers (SPIE) (DOI:10.1117/ 1.OE.54.10.104103)
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