Thanrum is the former homeplanet of the Olthoor, it was situated in the Okho Solar System. It was a SGI planet and was the third star orbiting the sun, Okho. The planet died somewhere in 28 billion BM.
The planet's surface consists for 54 % out of water, 27 % out of rainforest, 9 % out of desert and the remaining 20 % out of mountains. Thanrum's axial tilt was 21.85°.
The planets takes 25.5 hours to rotate and completes it's orbital period around Okho every 281 days.
Thanrum had 2 moons.
The Olthoor lived here until the planet died and exploded.
- Thanrum and Nevula share much charasteristics with each other.