Another point of reference is Planet Lab's Dove cubesats are ~4kg and fly in LEO (~400km). This would be an ideal launch platform for ongoing maintenance of the

Another point of reference is Planet Lab's Dove cubesats are ~4kg and fly in LEO (~400km). This would be an ideal launch platform for ongoing maintenance of the constellation. Falcon 9 still makes sense for the initial launch as they normally ride up in large groups. The most recent Falcon 9 carried 14.