Payload integration is underway for Vega's second mission from the Spaceport
Vega Flight VV02
The multi-satellite payload “stack” for Vega’s upcoming flight from French Guiana is now taking shape as the Arianespace-managed integration process advances at the Spaceport.
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This activity began in the Spaceport’s S5 clean room facility with installation of Estonia’s ESTCube-1 student nanosatellite on a flat mounting surface called the P2 Plate – which serves as the lower interface in the Vega’s payload stack. The small cube-shaped satellite and its dispenser were integrated using a bracket that was mounted to the P2 Plate.
The next step was the placement of Vietnam’s VNREDSat-1 with its interface adapter on the P2 Plate, joining ESTCube-1.
Both satellites are located in the payload stack’s lower position, and will ride inside a larger dispenser system called VESPA. Completing the payload arrangement will be installation of the mission’s third satellite – Proba-V – which is to ride atop the VESPA dispenser.
Proba-V will have a mass at liftoff of 160-kg., and is to monitor global vegetation growth. Produced by prime contractor QinetiQ Space Belgium for the European Space Agency, the satellite is equipped with a newer version of the Vegetation imaging instrument that previously operated on the Spot series of Earth observation satellites – which also were orbited by Arianespace.
VNREDSat-1 is to support the Vietnamese government’s initiative to create an infrastructure enabling better studies of climate change effects, improving predictions for natural disasters and optimizing the country’s natural resource management. Weighing 120 kg. for liftoff, it was built by Astrium on behalf of the Vietnam Academy of Science and Technology.
The 1.3-kg. ESTCube-1 cubesat was designed to test electric solar wind sail technologies, as well as help establish an Estonian infrastructure for future space projects. It was built by a collaboration of students from Tartu University, Estonian Aviation Academy, Tallinn University of Technology and University of Life Sciences – and was developed in conjunction with the Finnish Meteorological Institute and the German Space Center (DLR).
Vega’s upcoming mission – designated Flight VV02 in Arianespace’s launcher family numbering system – is scheduled for liftoff from the Spaceport on May 2. This will be the second launch for Arianespace’s new lightweight vehicle and is being conducted in conjunction with the European Space Agency’s VERTA (Vega Research and Technology Accompaniment) program.
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Source : Arianespace