4 Final Report - Emits - ESA
4 Final Report - Emits - ESA
4 Final Report - Emits - ESA
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4 <strong>Final</strong><br />
<strong>Report</strong><br />
4 Mission and System Level Analyses<br />
4.1 Mission Architecture<br />
A visualisation of all elements contributing to the Geo-Oculus mission architecture is shown in Figure<br />
4.1-1.<br />
Figure 4.1-1: Mission Architecture<br />
4.2 Mission Analysis<br />
Mission analyses issues have already been traded in [RD 7] for the following topics:<br />
• type of orbit,<br />
• orbit inclination,<br />
• orbit determination performance,<br />
• orbit transfer and launcher.<br />
The preferred mission parameters which were assumed for the subsequent analyses of technical<br />
solutions for the spacecraft are summarised hereafter.<br />
Type and inclination of orbit<br />
A geostationary orbit with 0 degree inclination is the suggested baseline. It requires only one<br />
spacecraft and provides constant observation conditions (view Zenith angle) but it is linked to about<br />
300 kg of fuel consumption to be assigned for North South station keeping.<br />
Doc. No: GOC-ASG-RP-002 Page 4-27<br />
Issue: 2<br />
Date: 13.05.2009 Astrium GmbH
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