planetfall

The arrival of a spacecraft on the surface of a planet.

Noun

  1. The arrival of a spacecraft on the surface of a planet.
    • “Listen up, grunts. We'll be making planetfall in T-minus three minutes. You'll be joining the war against the Scourge, an alien race of soulless, ruthless automatons.” - 2024 August 12, Joe Saunders, “The Battle of Zab...

Origin

From planet + fall, by analogy with landfall.