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DO NOW: Orbital Mechanics

Can you complete the puzzle in 5 minutes? Challenge yourself!
Across
Satellite that orbits in same direction as Earth's rotation.
Type of orbit with lowest altitude.
Non-useful stuff in orbit. It could hit you in the head someday.
Time for satellite to complete one revolution around planet.
Example of an unbound orbit.
Unit that R, a and b must be in!
Minimum number of GPS satellites
The most sought-after orbital location. It gives a period of 24 hours.
Orbital inclination equals 0 degrees.
b
Orbit used to image Russia
Location in orbit when farthest from Earth.
Location in orbit when closest to Earth.
Down
Type of orbit energy due to distance from center of Earth.
Scientist who first described orbital parameters.
Orbit with 90 degree inclination
Eccentricity equals 1
Satellite orbits in opposite direction of the Earth's rotation
Type of orbit energy due to speed and mass of satellite.
Scientist who developed Law of Gravitation.
Term that specifies location of satellite in orbit.
a
Unit that T must be in.
The Earth's largest natural satellite.