ESA title
'Always on'' Proba-V Vegetation observations
Enabling & Support

Starting operations

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ESA / Enabling & Support / Space Engineering & Technology / Proba Missions

Now safely in orbit, a complex commissioning period begins, where payloads and systems are gradually activated and their performance validated. This commissioning phase will include cross-calibration of Proba-V’s Vegetation instrument with Spot-5’s equivalent, ensuring they are observing the same targets in the same way, effectively passing the observational torch.

Once commissioning is complete, Proba-V will be put to work straight away, formally transferring from ESA’s Directorate of Technical and Quality Management to the Directorate of Earth Observation, which will oversee the exploitation phase, when data get into the hands of users.

In particular, Proba-V’s results will support Europe’s flagship Global Monitoring for Environment and Security (GMES) initiative, developing operational environmental monitoring services to support European policies and improve the quality of life of European and global citizens, as well as application development projects and research projects in continuation of previous Vegetation-based scientific projects.

With a planned 2.5-year lifetime (with the potential to double to five years), Proba-V is sometimes regarded as a  gap filler mission: ESA’s Sentinel-3 mission in support of GMES data needs due for launch in April 2014 will produce Vegetation-compatible data products.

But if Proba-V proves a success it might well make the case for another successor, on a complementary basis to the Sentinels. Such a ‘Proba-Vb’ is currently the subject of extensive discussions within the Proba-V International Users Committee; it also the topic of a VITO study, supported by ESA’s ‘PROgramme de Dévelop-pement d’EXpériences scientifiques’ (Prodex) technology development programme.

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