Unformatted text preview: satellite was launched 1/12/03 into a 590 km sun-synch orbit • What’s the inclination? • Two single-axis articulated solar array wings • Science instrument includes – a laser system to measure distance – a Global Positioning System (GPS) receiver – a star-tracker attitude determination system • The laser will transmit 4 ns pulses of infrared light (1064 nanometers wavelength) and visible green light (532 nanometers) • Photons reflected from surface of Earth and atmosphere will be collected in a 1 meter diameter telescope • Laser pulses at 40 Hz will illuminate footprints 70 meters in diameter, spaced at 170-meter intervals along Earth's surface...
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- Fall '08
- Light, Wavelength, Speed of light, Global Positioning System, km sun-synch orbit, star-tracker attitude determination