Note: Selex ES is an international electronics and information technology business, which is part of Finmeccanica S.p.A. ASI awarded the prime contract to CGS in Dec. The industrial core team is formed by Carlo Gavazzi Space (CGS), Selex Galileo (SG) and Rheinmetall Italia (RhI), and also includes all the key national industries which have already acquired specific knowhow and expertise. The PRISMA mission development is completely funded by ASI (Italian Space Agency) and includes the system development program and the related applications and research activities. The overall objective is to provide a global observation capability - the specific areas of interest to be covered are Europe and the Mediterranean region. to demonstrate new technologies in orbit.to provide the standard data products with short delay periods after reception to the scientific community to address the various selected applications, such as those related to quality and protection of the environment, sustainable development, climate change, etc.to develop a small satellite mission entirely in Italy for monitoring of natural resources and atmospheric characteristics (information on land cover and crop status, pollution quality of inland waters, status of coastal zones and the Mediterranean Sea, soil mixture and carbon cycle), taking advantage of the previous developments carried out by ASI.PRISMA will focus on the needs of the Italian institutional and research entities. The PRISMA project is conceived as a pre-operational and technology demonstrator mission, focused on the development and delivery of hyperspectral products and the qualification of the hyperspectral payload in space. It is a follow-on project of the previously started HypSEO (Hyperspectral Satellite for Earth Observation) program whose phase B was completed in 2002 and then discontinued. PRISMA (PRecursore IperSpettrale della Missione Applicativa) is a medium-resolution hyperspectral imaging mission of the Italian Space Agency ASI (Agenzia Spaziale Italiana) under development as of 2008. Spacecraft Launch Mission Status Sensor Complement Ground Segment References PRISMA (Hyperspectral Precursor and Application Mission) In terms of RF (Radio-Frequency) communications, TT&C (Tracking, Telemetry and Command) uses S-band transmission, while the X-band is used for payload data downlink, with the PDHT (Payload Data Handling and Transmission) subsystem dedicated to processing payload data for transmission. The PRISMA spacecraft bus is based on an MITA (Minisatellite for Advanced Technology) design and was developed by CGS (Carlo Gavazzi Space S.p.A) with dimensions 1.751 x 1.545 x 3.4 m. PRISMA is in a sun-synchronous orbit, with an altitude of 614 km, an inclination of 98.19° and its LTDN (Local Time on Descending Node) is at 1030 hours. The PAN module also uses a pushbroom scanning technique, with identical swath width and field of regard but spatial resolution of 5 m. It uses a pushbroom scanning technique with a swath width of 30 km, and a field of regard of 1000 km either side. The HYC module has a spatial resolution of 30 m and operates in two bands, a 66 channel VIS/NIR band with a spectral interval of 400-1010 nm, and a 171 channel NIR/SWIR band with a spectral interval of 920-2505 nm. The second sensor module, PAN, is a high resolution optical imager, and is co-registered with HYC data to allow testing of image fusion techniques. Its primary mission objective is the high resolution hyperspectral imaging of land, vegetation, inner waters and coastal zones. The HYC sensor is a prism spectrometer for two bands, VIS/NIR (Visible/Near Infrared) and NIR/SWIR (Near Infrared/Shortwave Infrared), with a total of 237 channels across both bands. PRISMA carries two sensor instruments, the HYC (Hyperspectral Camera) module and the PAN (Panchromatic Camera) module. Artist's rendition of the deployed PRISMA satellite (Image credit: ASI)
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