After the launch rocket releases your probe in Low Earth Orbit, it will take 4.3 kms¯' to transfer to a Mars transfer orbit, 0.9kms¯l to enter Mars capture orbit instead of flying by, and 1.4kms¯ to go from the wildly elliptical capture orbit to the desired low Mars orbit. Adding it all up, the mission requires a total Av of 6.6kms¯'. The probe's instruments and structure have ended up massing 500kg. The probe has a chemical rocket with a specific impulse (ve) of 3kms¯'. What is the minimum mass of propellant the probe needs to complete its mission? (Ans=4000 kg)
After the launch rocket releases your probe in Low Earth Orbit, it will take 4.3 kms¯' to transfer to a Mars transfer orbit, 0.9kms¯l to enter Mars capture orbit instead of flying by, and 1.4kms¯ to go from the wildly elliptical capture orbit to the desired low Mars orbit. Adding it all up, the mission requires a total Av of 6.6kms¯'. The probe's instruments and structure have ended up massing 500kg. The probe has a chemical rocket with a specific impulse (ve) of 3kms¯'. What is the minimum mass of propellant the probe needs to complete its mission? (Ans=4000 kg)
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