I don't understand the interest in DNA as a storage. It's only long-living as part of the evolutionary proces in a living organism (with no guarantee for the survival of the data), but otherwise really fragile. And hard to interface and with slow read/write on top of that.
Seriously, i just googled how much energy would be needed to put 1Kg in LEO. Ofc there's a StakOverflow to it asking the same question and none of 4 answers answer the question and one is like "This seems like a complicated way of doing it. Instead of asking the minimum energy...".
Some lines were taken already?