Canon

Sanghelios

From Halopedia, the Halo wiki

Sanghelios
A screenshot of Sanghelios from the opening cutscene of Swords of Sanghelios.
Illustration of Sanghelios in the Halo Encyclopedia (2022 edition)
Astrographical

System:

Urs–Fied–Joori system[1]

Orbiting:

Urs[1]

Orbital position:

Fourth planet[1]

Moon(s):

Two; Suban, Qikost[1]

Physical

Diameter:

15,038 kilometres (9,344 mi)[1]

Gravity:

1.375 G[1]

Length of day:

29.5 hours[1][2]

Length of year:

583.3 days[1][2]

Atmosphere:

0.9 (N2, O2, Ar)[1]

Surface temperature:

-5°C to 96°C (23°F to 204.8°F)[1]

Societal

Demonym:

Sangheili, Sangheilian (rare)[Note 1]

Species:

Sangheili[3]

Population:

  • 8.135 billion[3] (formerly)
  • 3.9 billion[4]

Government:

 

"Sanghelios… she is a beauty of a world."
Shipmaster Thon 'Talamee[9]

Sanghelios, also known as Urs IV[10] and designated CE-80-9012 d by the Forerunners,[11] is the homeworld of the Sangheili species. Sanghelios is the fourth planet in the Urs system, a triple star system containing Urs, Fied, and Joori. The planet is orbited by two natural satellites, Qikost and Suban.[3] Sanghelios is a world with a very militaristic and feudal society, a result of the planet's harsh environment.[12]

As a space-faring species, the Sangheili have colonized multiple worlds in addition to Sanghelios as they expanded the reach of their own civilization and later the empire of the Covenant.[13] Though the Sangheili have colonized dozens of independent worlds, Sanghelios still remains central to the government and culture of the species.[14]

Many Forerunner artifacts and structures exist on the planet, which are the topic of worship, as well as the cause of historical wars between the Sangheili and the San'Shyuum before the formation of the Covenant.[3]

Following the Human-Covenant War and the dissolution of the Covenant, Sanghelios had become embroiled in a civil war known as the Blooding Years that encompasses most of the planet and many Sangheili colonies.[1] Though the Swords of Sanghelios have become the effective world government of Sanghelios, many other factions seek to overthrow the government.[7]

Overview[edit]

Orbital characteristics[edit]

A harsh planet, Sanghelios is located on the innermost edge of the Urs system's habitable zone.[15] The large size of Sanghelios' two natural satellitesQikost and Suban—has great effects on the planet's tides.[16]

A map of the planet.

Environmental features[edit]

Sanghelios has a wide variation in vegetation and temperature on the planet.[12] With a diameter of 15,038 kilometres (9,344 mi),[1] Sanghelios has a gravity of 1.375 Gs and an average surface temperature of -5 °C to 96 °C (23 °F to 204.8 °F). The planet has a diameter of 15,038 kilometers, making it larger than Earth.[3]

Sanghelios' sky varies in hue from a bright yellow to a blood red, due to large amounts of suspended particles in the upper atmosphere, but can also be blue. The planet's harsh and capricious environment is caused by Sanghelios' three suns, Urs, Fied, and Joori.[12]