description PROBA-1 Overview
PROBA-1 (Project for On-Board Autonomy) is an ESA minisatellite launched in 2001 that demonstrated spacecraft autonomy technologies while carrying a high-resolution imaging spectrometer for Earth observation.
insights Ranking position
PROBA-1 ranks #70 of 187 in the Satellite ranking, behind OCO-3, ahead of SMOS.
help PROBA-1 FAQ
What instruments does the PROBA-1 satellite carry?
PROBA-1 carries the High Resolution Camera (HRC) and the Compact High Resolution Imaging Spectrometer (CHRIS). These tools allow the minisatellite to capture highly detailed Earth observation data for environmental and scientific studies.
When was PROBA-1 launched and is it still operating?
The satellite was launched by the European Space Agency in 2001 and remains operational today. Its longevity has far exceeded its original one-year technology demonstration mission.
What is the primary purpose of the PROBA-1 mission?
Its main goal was to demonstrate spacecraft autonomy technologies, allowing the satellite to navigate and control its own observations without relying heavily on ground control. It successfully tested advanced onboard computing, navigation, and payload management systems.
What kind of orbit does PROBA-1 use?
PROBA-1 operates in a low Earth sun-synchronous orbit at an altitude of roughly 600 to 800 kilometers. This specific orbit allows the satellite to consistently image the Earth under similar lighting conditions.
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