Find the flying height when FOV is 49.5˚ and swath width 650 km .
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Answer:
JPSS is the next generation polar-orbiting operational environmental satellite system of the USA, procured by NOAA (National Oceanic and Atmospheric Administration) through NASA, with the following major objectives: 1) 2) 3) 4) 5) 6)
• Increase timeliness and accuracy of severe weather event forecasts
• Provide advanced atmospheric temperature, moisture and pressure profiles from space
• Provide advanced imaging capability to analyze fires, volcanoes, Gulf oil tracking and other adverse incidents
• Direct broadcast data to field terminals at hour scale latency
• Maintain continuity of climate observations and critical environmental data from the polar orbit.
1) JPSS consists of five satellites [Suomi-NPP, JPSS-1, JPSS-2, FF-1(Free Flyer-1), FF-2 (Free Flyer-2)], ground system and operations through 2028
- The JPSS mission is to provide global imagery and atmospheric measurements using polar-orbiting satellites
2) JPSS is a partnership between NOAA and NASA
- NOAA has final decision authority and is responsible for overall program commitment
- JPSS Program is the subset of JPSS managed by NASA
- NASA is the acquisition agent for the flight system (satellite, instruments and launch vehicle), ground system, leads program systems engineering, and program safety and mission assurance
- NOAA is responsible for operations, data exploitation and archiving, infrastructure.
3) The partnership is governed by the NOAA and NASA JPSS Management Control Plan
- The JPSS Program is executed in accordance with NPR 7120.5D (NASA Procedural Requirements) as a loosely-coupled program
4) NASA Categorization for JPSS-1 and JPSS-2
- Mission Category 1
- Risk Class B Mission
- Category 2 Expendable Launch Vehicle
5) NASA Categorization for FF-1 and FF-2
- Mission Category 2
- Risk Class C Mission
- Category 2 Expendable Launch Vehicle.
JPSS represents significant technological and scientific advances in environmental monitoring and will help advance environmental, weather, climate, and oceanographic science. JPSS's primary user, NOAA's NWS (National Weather Service), will use the JPSS data in models for medium- and long-term weather forecasting. JPSS will allow scientists and forecasters to monitor and predict weather patterns with increased speed and accuracy and is the key for continuity of long-standing climate measurements, allowing the study of long-term climate trends. JPSS will improve and extend climate measurements for 30 different EDRs (Environmental Data Records) of the atmosphere, land, ocean, climate and space environment.
The JPSS FF-1 (Free Flyer-1) spacecraft, to be launched in 2017, will accommodate the following instrument suite:
• TSIS (Total Solar Irradiance Sensor)
• A-DCS (Advanced Data Collection System)
• SARSAT (Search and Rescue) instruments.