What is the typical transit duration for a Hohmann transfer orbit?
Answer
Seven and nine months
The Hohmann transfer orbit is the most commonly discussed and generally the most fuel-efficient method for transferring between two orbits, such as Earth's and Mars's orbits around the Sun. This trajectory involves spiraling outward along an elliptical path, utilizing the Sun's gravity. Because this gentle, fuel-saving approach requires the spacecraft to match Mars’s relatively slower orbital velocity, the time required to complete this path generally falls between seven and nine months. This duration is favored for robotic missions because minimizing propellant mass maximizes the scientific payload mass that can be delivered.
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