suborbital

noun
  1. 1

    A suborbital bone

adjective
  1. 1

    Not reaching orbit; having a trajectory that does not reach orbital velocity and so must return to ground eventually

    โ€œThe first rocket test was suborbital; it didn't even get off the ground but rather exploded on the launchpad.โ€

  2. 2

    Below the orbit of the eye

Antonyms

Source: https://en.wiktionary.org/wiki/suborbital