I reviewed what different launch providers did with the upper stages that reached orbit in 2017. Overall 36 were left in high orbit, 26 abandoned in low orbit, 26 were safely deorbited at the end of the launch process. pic.twitter.com/WumO4EB2MS
— Jonathan McDowell (@planet4589) March 10, 2018
via Twitter https://twitter.com/planet4589
March 10, 2018 at 10:15AM
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