Lighthouse: A spacebased mission concept for the surveillance of geosynchronous space debris from low earth orbit

Journal
Date Issued
2018
Author(s)
Lupo, Roberto
•
Albanese, Carlo
•
Bettinelli, Daniele
•
Brancati, Marco
•
Minei, Giovanni
•
DOI
Abstract
In this paper, a new mission is proposed for space debris surveillance in geosynchronous orbit (GEO). The mission "Lighthouse", here proposed as a concept study, describes the use of a small satellite in a low polar orbit, equipped with a Schmidt telescope, constantly observing a belt across the geostationary orbit. In this way, a single instrument can sweep the whole orbit everyday regardless the light and weather conditions. Most of observations are nowadays performed by ground telescopes, which are affected by weather conditions and night time duration. Moreover, a single telescope can observe only a portion of the geostationary orbit. The mission concept arose as space application of an ESA ITI (Innovation Triangle Initiative) project designing a Schmidt telescope purposely conceived for the monitoring of NEO (Near Earth Objects) and space debris. A compact version of the telescope (50 cm diameter and 1.61 m length), particularly suitable for space applications, has been designed too. The size and the mass of the telescope enable the use of a small satellite platform, with the related advantages in term of costs and performance. Lighthouse is proposed as a new asset for Space Surveillance and Tracking sensors, complementary to the ground telescopes network.
Volume
62
Issue
12
Start page
3305
Uri
Url
Issn Identifier
0273-1177
Ads BibCode
2018AdSpR..62.3305L
Rights
open.access
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