10000 (number)

10000 was a number.

Attempting to impress Rose Tyler, the Ninth Doctor took the TARDIS ten thousand years through the Time Vortex from 2005 to 12005, the time of the New Roman Empire. They did not exit the TARDIS in this time, however, as the Doctor took the TARDIS even further to the year 5,000,000,000. (TV: The End of the World)

Both the planet Crimson Heart and the Orpheus constellation were ten thousand light-years from Earth. (TV: Death of the Doctor, Aeolian)