Ch 1: Introduction

Question 1

LEO and GEO: Differences in the power subsystem

Answer 1

LEO: high fraction of orbital period spent in eclipse -> oversized solar arrays

GEO: long time spent in eclipse (~72h) -> battery discharge req’s

Question 2

TDRS

Answer 2

Tracking and Data Relay System - S/C in GEO linking S/C in LEO to a ground centre

1980s; Space Shuttle