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Unformatted text preview: MAE146: Astronautics – Midterm Exam Important Notes: • Please justify all of your answer with equations and sentences in order to receive full grade. • 10 pts will be given to presentation; any clean, readable copies will receveive these points. • Exams must be worked out individually. No communications with outside sources allowed. • This is an open book, closed notes examination. Only the textbooks are allowed. • The midterm is to be completed in 50 minutes. Problem 1 (30 pts) Binary asteroids We consider two asteroids, α and β orbiting uniformly in circular orbits about their center of mass, O (i.e. the center of mass of each asteroid, O 1 and O 2 respectively, lies on a circular orbit centered at the center of mass of the system) with a period or motion T = 4 h . α is located at a distance R 1 from O , while β is at a distance R 2 . α has mass M 1 , and β has mass M 2 . α and β do not have a regular shape, but are both contained within spheres of radii D 1 and D...
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This note was uploaded on 03/10/2009 for the course MAE 146 taught by Professor Villac during the Spring '08 term at UC Irvine.
 Spring '08
 Villac

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