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Jump map from Travellermap.com 
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Pimane is a vacuum world, with no atmosphere or hydrosphere. The system supports a population of fewer than 10,000 sophonts. It is a member of Third Imperium in the Mora Subsector of Spinward Marches Sector and in the Domain of Deneb. Pimane, as a member world of the Third Imperium, holds the estate of an Imperial knight, a member of the Imperial Nobility charged with overseeing the world.
Astrography & Planetology
Pimane is a member of the Spinward Main.
There are rumors that deep valleys on the surface of Pimane contain both atmosphere and life, although the surface plains are star-baked vacuum. 
Pimane Monostellar System Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol) Pimane primary
Primary Main Sequence 0.825 4000 - 5000 0.42 Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit AU 0.00845 0.05375 0.52 - 0.84 0.845 8.45 Orbit # * * 2 2 7
History & Background (Dossier)
At first glance, Pimane appears to be nothing more than a struggling domed village on the surface of an inhospitable and featureless plain. Your first glance is correct. 
There is, however, evidence that deep valleys on the surface of Pimane contain both atmosphere and life, although the surface plains are star-baked vacuum. While there have been proposals to set up several small scientific research laboratories to investigate this, so far funding and offworld interest have been insufficient. The most accepted hypothesis holds that the world originally held an atmosphere and supported life, but a cataclysmic collision with a rogue world stripped off Pimane's atmosphere several million years ago. 
Reports of these airpockets are only as valid as the unproven reports of local explorers, who seem more interested in local notoriety than scientific accuracy. Anyway, exploration is very hazardous; local technology is hazardous enough, and the single city of Hope's End is far from the deep canyons that break up the surface of the planet. Add to that almost-invisible pools of fine dust, some deep enough to swallow a starship, and incentive to stay home is very high. 
Not that staying home is very attractive. Hope's End is a dismal community, with few facilities for the traveller. The so-called Starport is nothing more than a concrete pad raised ten meters above the surrounding plain, kept mostly free of dust. Reactionless drives are compulsory to avoid stirring up any dust around the area. 
It is recommended that you bring all supplies with you. Off-planet goods are prohibitively expensive, and local food is all too obviously derived exclusively from the algae which replenishes the atmosphere, along with a local fungus to provide texture. 
- Do not use terrain-following on the surface.
- Land only at the starport.
- Only reactionless thrusters and contra-grav permitted.
- Berthing fees are unusually high.
References & Contributors (Sources)
- Marc Miller. The Spinward Marches (Game Designers Workshop, 1979), 32-33.
- Marc Miller. The Spinward Marches Campaign (Game Designers Workshop, 1985), 18-19.
- Marc Miller. Imperial Encyclopedia (Game Designers Workshop, 1987), 94-100. (UWP only)
- Rob Caswell. "Domain of Deneb: Sector Data." MegaTraveller Journal 3 (1992): 47-58. (UWP only)
- Dave Nilsen. The Regency Sourcebook (Game Designers Workshop, 1995), 46-47. (UWP only)
- Martin Dougherty, Neil Frier. Behind the Claw (Steve Jackson Games, 1998), 111-112.
- Mike West. The Spinward States (Avenger Enterprises, 2008), 114. (UWP only)
- Martin Dougherty. The Spinward Marches (Mongoose Publishing, 2008), .
- Martin Dougherty. Behind the Claw (Mongoose Publishing, 2019), 103-107. (UWP only)
- ↑ "Jump Map API" and map location from Travellermap.com
- ↑ Marc Miller. The Spinward Marches (Game Designers Workshop, 1979), 32.
- ↑ Martin Dougherty, Neil Frier. Behind the Claw (Steve Jackson Games, 1998), 112.
- ↑ 4.0 4.1 4.2 4.3 4.4 An unpublished factoid written by User:Sstefan