![]() ![]() Figure 1 illustrates the PROBA-3 spacecraft acquiring formation.įigure 1: PROBA-3 spacecraft acquiring formation (image credit: PROBA-3 consortium) PROBA-3 history: The mission and system requirements are mainly derived by the PROBA-3 technology demonstration mission envelope, in particular the need to constrain the budget and maximize the PROBA platform reuse. It is important to note that the PROBA-3 mission design is completely driven by the need to fulfil the FF (Formation Flying) demonstration objectives. The Scientific payload is proposed by the Laboratoire d’Astrophysique de Marseille (France). Collaboration with CNES is under discussion between the two space agencies. is the designated mission prime for the CDE phase. Using the PROBA-3 generic Formation Flying capabilities, the Formation Flying of this distributed single Virtual Instrument will constitute a convincing demonstration of Formation Flying in addition to provide scientific mission return.Ĭonsortium of PROBA-3: The project is lead by a consortium of industrial companies in several ESA member states (in alphabetic order): DEIMOS (Spain, Portugal), EADS-CASA Espacio (Spain), GMV Space and Defence (Spain), NGC Aerospace (Canada), OHB-Sweden, formerly SSC (Sweden), QinetiQ Space NV (Belgium), SENER (Spain), Spacebel (Belgium). Guest payload: In addition to the Formation Flying experiments and demonstrations a scientific Guest Payload will be flown - a large (length about 150 m) solar Coronagraph Instrument distributed over the Formation.Relative dynamics experiments: PROBA-3 will incorporate 6DOF formation control with thrusters, realistic collision avoidance demonstration and rendezvous experiments. Advanced assembly, integration and verification approach and tools. PROBA 3 will contribute towards the establishment of these principles, and the development of required tools (simulators, etc.). Development, design and validation principles for formation flight: The distributed character of Formation Flying systems calls for new development, design, implementation and validation principles.The PROBA-3 mission will demonstrate these technologies to TRL 9 (Technology Readiness Level 9). RF metrology systems and high accuracy optical metrology systems. Equipment qualification: Precision Formation Flying and efficient use of propellant calls for technology development in metrology, e.g. ![]() Formation flying demonstration: The primary objective of PROBA-3 is to demonstrate and validate formation flying with high precision and to demonstrate it for future formation flying missions.The basic PROBA-3 mission objectives are summarized in the following list: The PROBA-3 mission concept comprises two independent minisatellites in HEO (Highly-elliptical Earth Orbit) in PFF (Precise Formation Flying) formation, close to one another with the ability to accurately control the attitude and separation of the two satellites. This involves the in-orbit validation of these new Formation Flying (FF) techniques and technologies through a series of precision FF maneuvers, including formation acquisition, high precision pointing, reorientation, maintenance, resizing, rotation and slew. The primary mission objective is to demonstrate the technologies required for formation flying of multiple spacecraft in the fields of space science, Earth Observation and surveillance. PROBA-3 is the third small satellite technology development and demonstration precursor mission within ESA's GSTP (General Support Technology Program) series. Spacecraft Development Status Launch Sensor Complement Ground Segment References PROBA-3 (Project for On-Board Autonomy-3) ![]()
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