Space rendezvous

Which of the following are keplerian elements?

• Semi major axis

• Planetary mass

• inclination

• Period

How do we enter a lower orbit?

• Burn anti normal

• Burn prograde

• Burn radial in

• Burn retrograde

Higher orbits are ______ than lower ones

What name was given to the missions where NASA learnt to rendezvous

• ariane

• Atlas

• Gemini

• Apollo

Which approach was taken for the Apollo program

• Lunar orbit rendezvous

• Direct assent

• Earth orbit rendezvous

which rocket was used by the Gemini missions

• Space shuttle

• Ariane 5

• Titan 2

• Saturn 5

Why are lower orbits faster than higher ones

• Newton’s third law of motion

• Conservation of angular momentum

Name two keplerian elements

• True anomaly

• Standard gravitational parameter

• Latitude of ascending node

• Argument of periapsis

suggest a benefit of transfer windows

• Allows for errors in launches

• Reduces the fatigue on the crew

• Allows mission control to have nap

• Forces crews to spend more time in space

what do you do if you are higher than your target and in front of it

• Burn prograde

• Burn anti normal

• do nothing

• Burn retrograde