Planet Vrilla

Planet Vrilla

Union World and home world of the Vrill [1]

M-0 Galaxy, Upward Sector

Physics

 * Type Small iron/silicate
 * Radius 3221.65 km   (0.51 x earth)
 * Surface Area 1.30 x 108 km2
 * Land Area 6.65 x 107 km2   (0.45 x earth)
 * Mass 7.61 x 1023 kg   (0.13 x earth)
 * Density 5.43 g/cm3   (0.98 x earth)
 * Composition 37.3% iron, 25.9% oxygen, 23.5% silicon, 8.7% nickel, 4.7% other metals, trace other elements

Gravimetry

 * Gravity 4.87 m/s2   (0.50 x earth)
 * Escape Velocity 5.60 km/s

Rotation

 * Period 19.90 hours
 * Axis Tilt 35.61 °
 * Hydrosphere
 * Water 50 %
 * Ice 10 %

Atmosphere

 * Type Thin breathable
 * Pressure 23.45 kPa   (0.23 x earth)
 * Composition 79.4% nitrogen, 20.6% oxygen, trace other gases

Climate

 * Type Standard
 * Min Temp 261 K   (-11 °C)
 * Avg Temp 297 K   (24 °C)
 * Max Temp 425 K   (152 °C)

Biosphere

 * Chemistry Carbon
 * Lifeforms Microbes, fungi, animals

The planet is not their actual home world but was their first home after they left Earth (after the Fall o f Atlantis) The world has been cultivated and terraformed for thousands of years and lost much of its original character. After the United Earth /  Vrill war,the planet became a Union world.

The Vrill that did not want to change their ways, leave former Planet Vrilla in several advanced long range sleeper ships. Destination unknown.

[1] The Vrill are a human species and part of the human mystery and did not originate on Vrilla.