[isx726552]

Wow. The 2019 novel “The Last Astronaut” hypothesized about a fictional interstellar object coming into the solar system, called “2I” in the novel for short, but back here in real life, we’re already up to 3I.

[NooneAtAll3]

tbf, Omuamua was given denomination 1I in 2017 - so it's not "reality coincided with imaginary naming", but simply "book followed real life"