Satellite Applications & Imaging Exam Questions and Correct Answers (Rated A+)
What is a payload? - Answers a combination of hardware and/or software to allow a mission to be accomplished
What are the 5 types of payload classification? - Answers - communications
- remote sensing
- navigation (G...
What is a payload? - Answers a combination of hardware and/or software to allow a mission to be
accomplished
What are the 5 types of payload classification? - Answers - communications
- remote sensing
- navigation (GNSS)
- science
- in orbit demonstration (IOD)
What is a swath? - Answers area imaged on the surface
What is flight path angle? - Answers angle between velocity and local horizontal plane
What side of the earth is satellite ascending on for a sun-synchronous orbit? - Answers the dark side
How many satellite are required for GPS? - Answers 4 (x, y, z and time)
How many atomic clocks do GPS satellites have on board? - Answers 4
What is trilateration? - Answers Determining absolute location and time using distance from 4 or more
known locations
What is triangulation? - Answers The process of using angles from known control points to determine
the position of a place
What is almanac data? - Answers coarse orbital parameters for all GSO satellites
What is ephemeris data? - Answers precise data that defines the position of a satellite or spacecraft in
space with respect to time.
Describe orbit classification as a function of eccentricity - Answers - circular (e = 0)
- elliptical (0 < e < 1)
- parabolic (e = 1)
- hyperbolic (e > 1)
Describe orbit classification as a function of altitude / SMA - Answers - LEO (<2000km)
- MEO (2000-36000km)
- HAO (>36000km) or GEO (35786km)
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