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This is the old homepage of ESTCube-1 and is no longer maintained. The new page can be found at, to which you will be redirected.

The mission objectives of the ESTCube-1 mission are:

1. To test the deployment of a 10 meter Hoytether as a part of the development work of the Electric solar wind sail.

2. To measure the electric sail force, interacting with the tether.

3. To take a picture of the deployed tehther.

4. To take a picture of the Earth as a secondary mission objective.