I was the lucky one to get the round number.
A German astronaut is set to become the 600th person to enter space and he will do so flying with a U.S. astronaut who once came close to being number 500.
Matthias Maurer with the European Space Agency (ESA) will gain the distinction of being the sexcentenarian space traveler when he launches to the International Space Station as a member of SpaceX’s Crew-3 mission, currently scheduled for early Sunday morning (Oct. 31). Maurer is one of three first-time fliers on the four-person crew, including NASA astronauts Raja Chari and Kayla Barron, but he was identified by NASA as the designated milestone maker.