trans-Martian

English

Etymology

From trans- +‎ Martian.

Adjective

trans-Martian (not comparable)

1. (astronomy) Lying beyond the orbit of the planet Mars.
   • 2009 [2007], David A. Weintraub, Is Pluto a Planet?: A Historical Journey through the Solar System, Princeton, NJ: Princeton University Press, →ISBN, page 115:

     Then, less than a year before the discovery of Neptune, a fifth trans-Martian object and the twelfth planet, Astraea, had been found.