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AWS (Arctic Weather Satellite)

AWS [OHB Sweden]

AWS (Arctic Weather Satellite) is a small polar-orbiting protoype meteorological satellite funded under a contract with the European Space Agency under the Earth Watch program as a precursor for a multi-satellite constellation called EUMETSAT Polar System Sterna (EPS-Sterna). By providing global measurements of atmospheric temperature and humidity with frequent revisit times, the polar-orbiting Arctic Weather Satellite mission will complement MetOp and its counterpart US NOAA Joint Polar Satellite System.

The industrial team led by OHB Sweden consists of three core-members. OHB Sweden as mission prime, platform provider and system integrator, Omnisys instruments AB as Instrument prime and Thales Alenia Space as Ground Segment (incl. operations) prime.

The satellite is based on OHB Sweden's InnoSat platform. AWS will use a passive microwave radiometer providing global measurements of the atmosphere to be used as part of Numerical Weather Prediction (NWP), Nowcasting (NWC) and to support climate research and applications.

The EUMETSAT Polar System Sterna (EPS-Sterna) will consist of six satellites in three orbital planes.

Nation: Europe
Type / Application: Meteorology
Operator: ESA, EUMETSAT
Contractors: OHB Sweden (satellite), Omnisys Instruments (instrument)
Equipment: AWS Microwave Radiometer
Configuration: InnoSat-Large bus
Propulsion:
Power: 2 deployable solar arrays, batteries
Lifetime:
Mass: ~120 kg
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
AWS (Arctic Weather Satellite) - 2024 Va SLC-4E Falcon-9 v1.2 (Block 5) with W-Series 2 (Winnebago 2), YAC 1-1, Capella TBD6, AWS, EagleEye, Umbra-SAR 09, 10, YAM 7, MuSat 3, GNOMES 5, LUR 1, PExT, ThinkOrbital F2, ION-SCV 012, Impulse 2, Hubble 3, Dione, Kanyini, PTD 4, PTD 5, Kaladin, CroCube

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