Category: Citadel and Galactic Government
Type: Secondary

Although the Citadel is equipped with mass effect-generating element-zero cores, most of the gravity on the station is generated by the centrifugal force of rotation.

Rotation: 3.5 minutes per revolution
Rotational Gravity in Wards: 1.02 Earth
Rotational Gravity in Presidium: 0.3 Earth
Total Length (Open): 44.7 km
Diameter (Open): 12.8 km
Ward Length: 43.6 km
Ward Width: 330 m
Presidium Ring Diameter: 7.2 km
Presidium Ring Width: 553 m
Exterior Armor Thickness: 13 m
Population: 13.2 million (not including keepers)
Gross Weight: 7.11 billion metric tons
Height of the Presidium Tower: 1047 m