Trekipedia

Neptune

Neptune, a blue-hued Class-J world,^[2] was the eighth planet in the Sol System. The Talosians viewed an image of the Sol System while accessing the U.S.S. Enterprise NCC-1701‘s computer.^[1] Neptune was 49,528 kilometers in diameter and was located nearly 4.5 billion kilometers from Sol. Neptune’s surface temperature was -225°C, and the planet had a rotation period of 0.67 days. Neptune’s year was equal to 164.8 Earth years, and the planet had a gravity of 1.19 g. Neptune had eight moons, including Triton and Nereid.^[2]

References

• ^[1]TOS-00: The Cage
• ^[2]STSC: Star Trek: Star Charts