Analysis of ETRSS-1 on-orbit performance and anomaly management

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The Ethiopian remote sensing microsatellite, weighing 65 kg, was successfully launched into sun-synchronous orbit at an altitude of 628 km in 2019. The satellite has a three-year lifespan and employs a maneuver that minimizes the orbit perigee without adjusting the orbit apogee, resulting in an eccentric disposal orbit, with the perigee altitude selected to ensure re-entry into the Earth's atmosphere within 25 years. This study presents an overview of the ETRSS-1 satellite system, including its subsystems along-side the hardware utilized during their development, as well as an analysis of its on-orbit performance. Furthermore, the spacecraft's electro-optical multispectral camera and its ability to capture remote sensing data while adhering to appropriate operational constraints, as well as its imaging mission techniques, various types of failure modes, and anomaly detection detection techniques, will be investigated.
Publisher
ELSEVIER
Issue Date
2023-12
Language
English
Article Type
Article
Citation

JOURNAL OF SPACE SAFETY ENGINEERING, v.10, no.4, pp.483 - 494

ISSN
2468-8975
DOI
10.1016/j.jsse.2023.08.006
URI
http://hdl.handle.net/10203/316913
Appears in Collection
RIMS Journal Papers
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