Which is the most important orbital element when considering orbital rendezvous?
The American Gemini spacecraft could control and change its orbit – what important technique did this allow it to demonstrate with the Agena stage?
What is the effect that is used to turn the heat from radioactive material into electrical power?
What is the function of the spacecraft thermal subsystem?
What design item causes the most spacecraft failures?
What does the term hypergolic propellants mean?
What determines the plane of a spacecraft’s orbit?
Name 1 equipment item on a geostationary spacecraft which will be affected by eclipses?
What is the point of modularity in spacecraft design?
Why is the design envelope inside a launcher fairing smaller than the space inside the fairing?
How do spacecraft interact with the Earth’s magnetic field?
Questions
Answer
Notes
How were Kepler’s Laws obtained?
What is the gravity gradient in Newtonian gravitation?
Use ^ for powers, use / for divide, use * for times
Name another equipment item on a geostationary spacecraft which will be affected by eclipses?
If a rocket has a quoted specific impulse of 350 sec what is the effective exhaust velocity?
Use ^ for powers, remember to use units
For a remote sensing subsystem, what is the band of observable surface along the spacecrafts ground track?
What would happen to the specific impulse if the chamber temperature of a rocket engine were to be increased by 20%?
Remember to use units
What is the dominant factor in the communications link budget for spacecraft?
What causes the greatest loads for a spacecraft: ground handling, launch or in orbit operations?
What are the 3 different classes of spacecraft stabilisation?
Separate answers with commas
Name another equipment item on a geostationary spacecraft which will be affected by eclipses?
Name one way of mitigating against commercial geostationary satellite failure
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Gravitational Constant G = 6.67*10^-11 Nm^2kg^2 - Gravitational Acceleration g0 = 9.81 ms^-2 - Mass of Earth = 5.98.1024 kg - Mean Radius of Earth = 6378 km - Solar Constant at 1 AU = 1370 Watts/m
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