Canon

Alluvion

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Alluvion
An illustration of Concord.
Astrographical

System:

Bhaakto system[1][2][3]

Orbiting:

Bhaakto[1][2][3]

Orbital position:

Third planet[1]

Moon(s):

Fallow,[1] Falgo[2]

Physical

Diameter:

6,931 kilometers (4,310 mi)[1]

Gravity:

0.99 G[1]

Atmosphere:

1.1 (N2, O2)[1]

Societal

Species:

Human (non-native)

Population:

+336 million[4]

Colonized:

2412[1][2][3]

Government:

Unified Earth Government[1]

 

Alluvion, also known as Bhaakto III,[5] is the third planet in the Bhaakto system[1] and a human Outer Colony of the Unified Earth Government.[6][7][2] Alluvion is orbited by the natural satellites Fallow and Falgo. Once home to millions, Alluvion was glassed by the Covenant in 2543 during the Human-Covenant War.[3] By 2554, Alluvion has been recolonized.[1]

Overview[edit]

Topography and climate[edit]

Prior to being glassed, Alluvion had vast oceans and a moderately tropical climate. It also suffered from aggressive tidal forces due to its moon Fallow.[1]

Locations[edit]

Known residents[edit]

History[edit]

Rise of humanity[edit]

Alluvion was colonized by the Unified Earth Government in 2412 as a border world and prominent waystation between the Inner Colonies and the emerging Outer Colonies.[1][2] By tradition, the colonization of Alluvion was considered to be start of human expansion into the Outer Colonies.[7] With vast oceans and a moderately tropical climate, the planet required little terraforming, though aggressive tidal activity caused by Alluvion's moon Fallow forced most population centers into the continental interiors. Alluvion was highly cherished by its residents, though the planet's history was largely uneventful until the Human-Covenant War.[1]

Human-Covenant war[edit]

Alluvion is glassed by the Covenant

Covenant scouting patrols located Alluvion in 2541, though a full-scale invasion—led by Thel 'Vadamee—did not occur until 2542. During the Battle for Alluvion, the United Nations Space Command was able to defend the planet with a substantial military force, keeping the Covenant forces at bay for weeks. However, a Covenant support fleet arrived and quickly severed Alluvion's critical support lines, and the planet fell shortly after.[1] Spartan Gabriel Thorne's parents were UNSC Army officers stationed on the planet at the time. They, along with Alluvion's human population, died when the Covenant glassed the planet in 2543.