What is Proba-1?
Proba-1 is a technology demonstrator turned operational Earth observation mission - ESA's smallest, less than a cubic metre in volume. Proba-1's main instrument is the Compact High Resolution Imaging Spectrometer (CHRIS), acquiring 13 square km scenes at 17 m spatial resolution in 18 user-selected visible and near-infrared wavelengths. This agile satellite can also deliver up to five different viewing angles. Nearly 20,000 environmental science images have been acquired.
Latest Mission Operations News
Proba-1 celebrates 15 years in orbit10 November 2016The Proba-1 microsatellite (smaller than a cubic metre) is the first in ESA's series of satellites aimed at flight-testing new space technologies, designed for autonomous operations. Proba-1 was launched on 22 October 2001 and is still going strong today, more than fifteen years later. Proba-1 back in operation20 February 2015After a short period of inactivity, Proba-1 was successfully put back in Energy mode (by ESA Redu station) on Monday 09 February 2015 at 03:10 UTC and the imaging activities were restarted on Thursday 12 February 2015.
Latest Mission Results News
Proba-1 view of the Great Pyramids28 March 2018A view looking north to south of Egypt's famous Giza Pyramid Complex, as seen by ESA's Proba-1 minisatellite on 6 January 2018.
Special Features
Proba-1 sets new record08 March 2018Originally designed as a two-year mission and launched on 22 October 2001, Proba-1 is still going strong, providing very valuable hyper-spectral data. 
Proba-1 charting Earth's radiation belts for a decade07 November 2011ESA's Proba-1 recently celebrated its tenth birthday in orbit. Kept busy as an Earth-observing mission, the microsatellite has also been building a detailed...
About this Mission
Proba-1 The Project for On-Board Autonomy (Proba) was originally a technology demonstration mission of the European Space Agency, started in mid-1998 and funded within the frame of ESA's General Support Technology Programme. Intended as a one-year mission, Proba-1 has provided data successfully ever since its launch on 22 Oct 2001. Hosting two Earth Observation instruments CHRIS and HRC, Proba-1 has been managed, since 2004, by ESA's Ground Segment Department within the Directorate of Earth Observation at ESA/ESRIN. Data
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