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Proba-1 celebrates 15 years in orbit

10 November 2016

The 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.

Born as a technological demonstration satellite with a foreseen lifetime of only a few years, Proba-1 has evolved into an Earth Observation mission, even though satellite operations are still handled by the ESA technology directorate. Proba-1's main hyperspectral CHRIS imager records 15m resolution scenes across a programmable selection of up to 62 spectral bands, from a variety of viewing angles. CHRIS is supplemented by a 5m resolution black-and-white microcamera.

ESA acquires, processes and distributes Proba-1 data as part of its 'Third Party Mission' data portfolio to more than 1000 users worldwide.

The Proba-1 data is freely accessible via fast registration for SSO-registered ESA users.

Beyond Proba-1, ESA's family of experimental 'PRoject for OnBoard Autonomy' microsatellites currently includes: the Sun-watching Proba-2 which went into orbit in 2009, and the vegetation-imaging Proba-V, launched in May 2013.

Proba-1 celebration