567-908 (world)

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567-908/District 268 (Spinward Marches 1031)
Milieu 1116
StarportE Frontier - no facilities
Size5 Medium (8,000 km, 0.40g - 0.57g)
Atmosphere3 Vacuum (very thin)
Hydrographics2 Dry World 20%
Population0 Barren (0)
Government0 No Government structure
Law0 No Law
Tech Level0 Pre-Industrial (primitive)
See also UWP
System Details
Primary K5 III M9 V
Worlds 9
Gas Giants 0
Planetoid Belts 1
Cultural Details
Government No government
Law Level No law
Cultural Extension 0000
Army Size (BEs) 0
Economic Details
Technology Level 0
Economic Extension
Resources2Very scarce
Labor0Barren (0)
Infrastructure0 Non-existent
Efficiency-5Extremely poor
Importance Extension -3
Resource Units 0
GWP (BCr) 0
World Trade Number 0
Trade Volume (MCr/year) 0
Starport Details
Classification Class-E
Port Size 0
Building Capacity (Tons) 0
Port employees 0
Port passengers (annual) 0

567-908 has a scarcity of water, a relatively sparse atmosphere, and is a barren world with no registered population or government. It is a unclaimed Non-Aligned world in the District 268 Subsector of Spinward Marches Sector. This is the homeworld of the Shrieker, a Minor Race. The world was later designated Shvreeyiyi in 1201, then Denuli in 1248, then back to Shvreeyiyi.

Astrography & Planetology[edit]

567-908 is a member of the Spinward Main.

Skipped over in the First Survey and barely charted in the Second, Shvreeyiyi remained a backwater just outside the borders of the Imperium. The planet is divided into two major landforms, a desert continent that stretches across half the planet, and a huge mountain range surrounding a single large ocean. While technically habitable, the planet's very thin oxygen-nitrogen atmosphere and constant, unpredictable volcanism make Shvreeyiyi unappealing for colonization. Until the discovery of its native sentient species, it was considered one of the most useless pieces of real estate in the Spinward Marches. It was only later that the system name changed in the Imperial survey database.

Binary Solar System[edit]

567-908 Binary Star System
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)


Primary Giant 5 3300 - 4200 320
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.39081 1.48375 14.22 - 23.18 39.081 390.81
Orbit # 1 4 8 9 12
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)
Companion Star

M9 V

Secondary Main Sequence 0.215 1900 - 2400 0.001
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.00187 0.00262 0.03 - 0.04 0.187 1.87
Orbit #  *  *  * 0 4

Native Sophont: Shriekers[edit]

The Shriekers are a nomadic race ruled by a class of priests. They live in the last Shrieker city, The Great Retreat.

Their location in the system presents questions. The primary star hasn't been in its current phase long enough to evolve Native Intelligent Life; the hypothesis therefore is that the Shriekers are descended from an ancient colony. The source world is unknown; it is possible that the homeworld was in the inner system, which burnt to cinders millions of years ago when the star began expanding.

History & Background (Dossier)[edit]

Shvreeyiyi is a poor, barren world located on the Bowman Arm in District 268 of the Spinward Marches.

  • In 420, Mtume Denuli accidentally finds gemstones (later Denuli Crystals) on 567-908.
  • This is the homeworld of the intelligent race known as the Shriekers, and as a result the Scout Service is building a new base to study them, after the discovery by a Mora businessman named Kafka Thingvellir in 1110.[2] The discovery of the crystals on Shvreeyiyi produces a rush to mine these gemstones. The rush is checked by the Scout Service.

References & Contributors (Sources)[edit]

This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Far Future Enterprises or by permission of the author. The page history lists all of the contributions.