Excalibur (SM 1225) (world)

Excalibur/Sword Worlds (Spinward Marches 1225) Milieu 1116 B424755-A Starport B Good: Spacecraft Construction, Overhaul, Refined fuel Size 4 Small (6,400 km, 0.32g - 0.46g) Atmosphere 2 Vacuum (very thin - tainted) Hydrographics 4 Wet World 40% Population 7 Moderate (40 million) Government 5 Feudal Technocracy Law 5 Moderate Law (no concealable weapons) Tech Level A Early Stellar (jump drive)
See also	UWP
style="width: 220px; height: 250px;" Jump map from Travellermap.com
System Details
Primary	K5 V
Worlds	10
Gas Giants	2
Planetoid Belts	0
Cultural Details
Government	Feudal technocracy
Law Level	Moderate
Cultural Extension	5A38
Army Size (BEs)	15
Economic Details
Technology Level	10
Economic Extension	B6C+1 Resources B Abundant Labor 6 Moderate (4 million) Infrastructure C Very extensive Efficiency +1 Average
Importance Extension	3
Resource Units	792
GWP (BCr)	146
World Trade Number	4.5
Trade Volume (MCr/year)	8,817
Starport Details
Classification	Class-B
Port Size	6
Building Capacity (Tons)	38,000
Port employees	18,005
Port passengers (annual)	88,100

Excalibur is either a vacuum world or one with a tainted atmosphere. The system supports a population in between 10 million and one billion sophonts. It is a member of Sword Worlds Confederation in the Sword Worlds Subsector of Spinward Marches Sector and in the Sword Worlds. This world supports a Sword Worlds Military Base and the system supports a Sword Worlds Naval Base.

Excalibur (SM 1225) (world)/Sword Worlds (Spinward Marches 1225) New Era B424755-C Starport B Good: Spacecraft Construction, Overhaul, Refined fuel Size 4 Small (6,400 km, 0.32g - 0.46g) Atmosphere 2 Vacuum (very thin - tainted) Hydrographics 4 Wet World 40% Population 7 Moderate (70 million) Government 5 Feudal Technocracy Law 5 Moderate Law (no concealable weapons) Tech Level C Average Stellar (robots)
See also	UWP
Cultural Details
Government	Feudal technocracy
Law Level	Moderate
Cultural Extension	7A5H
Army Size (BEs)	12
Economic Details
Technology Level	12
Economic Extension	B6C-3 Resources B Abundant Labor 6 Moderate (7 million) Infrastructure C Very extensive Efficiency -3 Poor
Importance Extension	2
Resource Units	554
GWP (BCr)	275
World Trade Number	4.5
Trade Volume (MCr/year)	6,273
Starport Details
Classification	Class-B
Port Size	4
Building Capacity (Tons)	44,650
Port employees	475
Port passengers (annual)	2,000

Era: New Era

Excalibur is either a vacuum world or one with a tainted atmosphere. The system supports a population in between 10 million and one billion sophonts. This world designated as an Amber Zone. Caution is advised since the world has an environment, laws, customs, life forms, or other conditions that are not well understood and might be a danger to a visitor. It is a member of Sword Worlds Confederation in the Sword Worlds Subsector of Spinward Marches Sector and in the Sword Worlds.

• This world is an Interface world, with a quarantine inspection facility for all ships.
• This world hosts a Sword Worlds Military Base, Supporting military ground forces.

Description Description (Astrography & Planetology)

Excalibur has a cool climate with a very thin oxygen-nitrogen atmosphere tainted with volcanic gas and ash.

Monostellar System

Excalibur Monostellar System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Excalibur K5 V	Primary	Main Sequence		0.7	4300 - 4440	0.28697
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0033	0.0444	0.56 - 1.01	0.33	3.3
	Orbit #	*	*	2	1	5
	Remarks
	Artur

Native Lifeforms

Many of its native life forms have evolved into "striders" that spend their entire life cycle following the sun.

Other Data

Excalibur is resonantly locked with its primary, Artur, orbiting at a distance of 0.30 AU and rotating three times every two orbits. Excalibur has three small moons. While two are typical, the third, Bedwyr, seems to be a captured body, which entered orbit over Excalibur approximately 4,000-5,000 years ago.

History & Background (Dossier)

Excalibur was a member of the Sword Worlds Confederation. In the aftermath of the Fifth Frontier War Excalibur was wracked by civil war and in 1116 it became part of the Border Worlds Confederation. Its starport, Raskarhamm, is located on a peninsula of the Arkjahav Sea.

References & Contributors (Sources)

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.

• Marc Miller. The Spinward Marches Campaign (Game Designers Workshop, 1985), .
• Loren Wiseman. Broadsword (Game Designers Workshop, 1982), .
• Dave Nilsen. The Regency Sourcebook (Game Designers Workshop, 1995), 45.
• Martin Dougherty. Behind the Claw (Mongoose Publishing, 2019), 70.Martin Dougherty, Neil Frier. Behind the Claw (Steve Jackson Games, 1998), 70.
• GURPS Traveller: Sword Worlds