After the first Starlink launch, Musk made a number of comments about being willing to experiment with launching some telescope-equipped Starlink sats since the

After the first Starlink launch, Musk made a number of comments about being willing to experiment with launching some telescope-equipped Starlink sats since they expect the per-sat costs to be so low. If you had dozens to hundreds up there, you could probably do some useful interferometry even with small telescopes.