Mega-Constellations – The Satellite Designer’s Perspective
Friday
CB1.1
Abstract details
id
Satellite megaconstellations: the challenge for astronomy
Date Submitted
2021-04-02 11:01:00
Stuart
Eves
SJE Space Ltd.
Contributed
Mega-Constellations – The Satellite Designer’s Perspective
Dr Stuart Eves, SJE Space Ltd.
Enhanced observational capabilities and increasing numbers of satellite launches have created a tension between the astronomical community and the mega-constellation operators.
The paper will explain various aspects of current mega-constellation design, including the perceived need for large numbers of satellites; the selection of their orbital altitudes and inclinations; the rationale for the use of particular frequency bands; and the choice of particular material characteristics on the satellites themselves.
It will also address the utility of current and planned satellite capabilities, highlighting the differences between constellations which provide communications, surveillance, and navigation functions.
Various approaches to future satellite system design that could help to alleviate the problems that these constellations pose to the astronomical community will be discussed. These will include modifications to both the physical satellite hardware and also the concept of operations for the constellations.
The implications of these changes for both the astronomical and satellite communities will be considered
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