Yedlzhr-51 (world)

Yedlzhr-51/Ozsteiel (Sidiadl 0140)
Classic Era (1116)	X7C0000-0 Starport X No Starport Size 7 Medium (11,200 km, 0.70g - 0.94g) Atmosphere C Exotic (insidious) Hydrographics 0 Desert World 0% Population 0 Barren (0) Government 0 No Government structure Law 0 No Law Tech Level 0 Pre-Industrial (primitive)
See also	UWP
System Details
Primary	G4 V
Planetoid Belts	3
Gas Giants	4

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Jump map from Travellermap.com

Yedlzhr-51 is a barren hellworld, which would challenge the survival of nearly any sophont in Charted Space if it weren't already barren.

• As a barren world, it has no overt population, government, or law level.
• Hellworlds often offer daily, and sometimes hourly, life-threatening situations to their inhabitants.
• This world could probably be populated by very determined colonists if any had an inclination to do so...
• It is an unclaimed Non-Aligned world located in the Ozsteiel Subsector of Sidiadl Sector.

• This is a hot world, with a climate of high temperatures.

Description (Astrography & Planetology)

Stellar Data

Yedlzhr-51 has a solitary primary star.

• It is a yellow main sequence.

Yedlzhr-51 has a solitary primary star.

Primary
	Type	Category		Mass (Sol)	Temperature (K)	Luminosity
	G4 V	Main Sequence (Dwarf)		0.985	5660 - 5680	0.94848
	Unit	Diameter	Safe Distance	Habitable Zone	Jump Shadow	M-Drive Limit
	AU	0.0092	0.0808	0.93 - 1.65	0.92	9.2
	Orbit #	*	*	3	3	7
	Remarks

System Data

The worlds of the system have been surveyed. They consist of:

• The mainworld.
• x2 secondary rocky worlds.
• x3 planetoid belts.
• x4 gas giants.

Mainworld Data

Yedlzhr-51 orbits within the prime region of its star's habitable zone.

• It receives moderate levels of stellar energy.

Mainworld Size (S)

Yedlzhr-51 is a Meso World between 10,400km and 12,000km in diameter. The world has a standard gravity between 0.7G and 0.9G. The horizon will appear about 4.7km away.

Mainworld Atmosphere (A)

Yedlzhr-51 has an Insidious Atmosphere which requires the use of a Hostile Environment Suit or Vacc Suit, but extreme conditions cause the corrosive effects to defeat any personal protective measures in a few hours. TL–10 or more advanced survival gear is required to settle this world.

• It experiences very high temperatures.
• Greenhouse gases in the atmosphere dramatically increase the world's surface temperatures.

Mainworld Hydrosphere (H)

Yedlzhr-51 has no free-standing fluids on the surface. What little surface fluid exists consists of exotic substances that are corrosive and highly toxic. Wilderness refueling isn't possible on this world. Water for the inhabitants needs to be imported and extensively recycled. These worlds are Hell Worlds.

Mainworld Geography and Topography

No centrally held map of the world exists within AAB Library Data records.

• Locally, detailed maps may be available.

(Blank map, exotic world.)

Native Lifeforms

No known native life. Unusual geological formations and mineral compounds found on the surface may indicate the presence of previously undiscovered lifeforms.

History & Background (Dossier)

Yedlzhr-51 is a frontier, a wild and lonely place that rarely sees visitors. Some of the planets and moons within the system may have never had an intelligent being visit them.

Note that social data, though only 40 years old, may be out of date.

• Verified updated data is constantly sought.

World Starport (St)

Yedlzhr-51 does not have a starport. The Class X Starport is an indication that no starport exists in the system. There are no facilities or services available, and no site marked for landing.

World Population (P)

Yedlzhr-51 is a Barren World with no sophont population. It may still possess lifeforms.

World Technology Level (T)

Yedlzhr-51 possesses a Tech Level of TL–0.

• The world has no technological base.

World Government (G)

Yedlzhr-51 has no government or ruling authority of any kind.

World Law (L)

Yedlzhr-51 has no law level. No laws of any kind are enforced.

Trade Data

• Importance: -3 (very unimportant)

World Economy

• Resources: 9 (moderate)
• Labor: 0 (unpopulated)
• Infrastructure: 0 (non-existent)
• Efficiency: -5 (extremely poor)

World Culture

• Heterogenity: 0 (none)
• Acceptance: 0 (none)
• Strangeness: 0 (none)
• Symbols: 0 (none)

World Timeline

Major events that have affected this world and the wider region that it lies within:

• -5823: the Zhodani Consulate is established.
• -5415: the Zhodani discover jump drive technology.
• -4006 to present: the Zhodani undertake the Core Expeditions.
• The Year 0: far to trailing, the Third Imperium is founded.
• 300-420: the Imperial First Survey charts the system.
• 589-present: the Zhodani and the Imperium fight a sporadic series of Frontier Wars. Most of the action occurs in Tloql Sector, to trailing.
• 995-1065: the Imperial Second Survey charts the system.
• 1065: the Second Survey is published.

References & Contributors / Sources

This article is missing content for one or more detailed sections. Additional details are required to complete the article. You can help the Traveller Wiki by expanding it.

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 Mongoose Publishing or by permission of the author. The page history lists all of the contributions.

• J. Andrew Keith, Marc Miller, John Harshman. Classic Traveller: Zhodani (Game Designers Workshop, 1985), IFC. (sector depicted and named, no additional data)
• Don McKinney. Mongoose Traveller: Zhodani (Mongoose Publishing, 2011), page 135. (sector depicted and named, no additional data)
• Author & Contributor: Joshua Bell (sector design and development)
• Author & Contributor: P-O Bergstedt (sector design and development)
• Author & Contributor: Michael Gonzalez (sector design and development)