Planet Forge, formerly called UX-13 I, is the lone planet in the UX-13 System.
Note that Forge is a high-gravity world. An average Nekovalkyrja, Type 33, who normally weighs 45kg (99lbs) would weigh 55.8kg (123lbs), for instance. Also note that things ignite and burn much more easily on Forge, due to higher oxygen levels (26.1% vs. Earth's 20.95%). The sunlight is red and not very bright, making things look dim and pink most of the time. It can get very hot on the surface. Normal trees cannot grow on Forge due to the lack of carbon dioxide.
In YE 36, this planet became part of the PAINT public transportation system and has a Tenba that regularly visits and provides passenger flights to Shinjuku Starport on Hanako's World. In YE 38, Trinary Star Shipping established a storefront on Forge.
Radius 8436.58 km (1.32 x earth)