Roye (world)

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This is a world-system under construction and is currently being input-programmed into the Traveller RPG Wiki.

Roye/Nightrim (Reaver's Deep 2511)
Classic Era (1115)
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size7 Medium (11,200 km, 0.70g - 0.94g)
Atmosphere9 Dense (tainted)
HydrographicsA Water World 100%
Population4 Moderate (20 thousand)
Government5 Feudal Technocracy
Law8 High Law (controlled blades)
Tech LevelA Early Stellar (jump drive)
See also UWP
System Details
Primary M3 V
Planetoid Belts 0
Gas Giants 2
Jump map from [1]

Roye is a nonindustrial water world, which has 90% or more of its surface covered in an ocean of water.

  • The inhabitants of this world live on the roughly 10% of exposed land mass, in underwater colonies, on city ships, or similar arrangements.
  • As a nonindustrial world, it requires extensive imports of outside technology to maintain a modern, star-faring society. The need to import most manufactured and high technology goods drives the price of these goods up in the open market.
  • It is a Non-Aligned world dominated by human sophonts located in the Nightrim Subsector of Reaver's Deep Sector.

Description (Astrography & Planetology)[edit]

The Roye planetary system has seven major bodies with the only permanently inhabited world being Roye.

  • There are two gas giants and no planetoid belts in the system.
  • Roye itself has three satellites, Dia, Gaz and Trice.
  • The population of 22,540 is mixed Vilani/Solomani stock.

Monostellar System[edit]

Roye Monostellar System
Star Name Hierarchy Color Classification Remarks
Roye Primary Red M3 V None

Native Lifeform: Seratis Jellyfish[edit]

Seratis Jellyfish

  • Found in the waters of the continental shelves on Roye (Reavers Deep 2511 C79A458-A), the Seratis Jellyfish looks a little like the water living gelatinous zooplankton on Terra in that they are orb shaped transparent soft bodied creatures. The Seratis is a swimming carnivore/stinger and is found in two forms, the swarming juveniles and the much larger solitary adults. Being transparent these creatures can be extremely difficult to see or detect in the waters of Roye.
  • The swarming juveniles are small, usually around 500 grams in weight. With no stingers yet developed their only defence is their near invisibility in water. Found in groups of up to 100 individuals the easiest way to detect them is the disturbance on surface waters they make as they pass through, or the small fish they envelope as prey which look as if they are slowly dissolving in the water.
  • The juvenile Seratis are edible and the swarms often fall prey to larger sea creatures. The adult Seratis are much more dangerous, growing up to two meters across and developing a deadly ring of stinging barbs that contain a nerve toxin. To add to the poisonous attack the adult Seratis also develop a thicker outer skin, similar to mesh armour while still being transparent.
  • Attempts have been made to produce natural mesh armour out of this skin however it turns brittle once out of water. With the development of the stinging barbs the adult Seratis become inedible and catch their prey by enveloping them and stinging them. The nerve toxin paralyses the prey with death and digestion following over the next half hour. Most divers generally wear mesh plated wetsuits to protect against the adult Seratis.
  • Why these predators do not wander off the continental shelves on Roye remains a mystery as they are never found in the deep oceans, either at the surface or deeper levels. The natives of Roye have also tried to harvest the nerve toxin of the adult Seratis but, just like the skin, have found that the toxin breaks down once out Roye's ocean waters. The adults are only ever found together at mating time, which marks the last cycle in the the Seratis lifespan.
  • After mating, which involves passing genetic cells between the single sex adults, the Seratis wander off to the feeding grounds. Over the course of a season small buds appear along the bottom of the Seratis, which grow into the juvenile Seratis. This cycle appears to have a detrimental affect of the adult Seratis as it no longer appears to be able to capture prey during the cycle.
  • Eventually the adult dies, at which point the juveniles break off the adult and feed on the carcass. After this initial feed the juvenile swarm moves off and the cycle starts again.

System Data[edit]

Orbital Dispersion Table:

  • 0 - Roye
  • I - Orpheus I
  • II - Large Gas Giant
  • III - Orpheus III
  • IV - Orpheus IV
  • V - Small Gas Giant
  • VI - Orpheus VI

History & Background (Dossier)[edit]

The only independent world of the Nightrim subsector, Roye lies just beyond the Imperium border.

  • A water world with a small population, Roye values its independence above all else.
  • Most of the population lives in the single under water city called Royeston, with a few others living in the orbital high port or in family run submarine businesses. The city itself is anchored to an underwater shelf near the planet's equator in approximately 300 meters of water.

References & Contributors (Sources)[edit]

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  1. "Jump Map API" and map location from