This is a jump drive that makes jumps across the multiverse, there are a series of parallel universes that exist in the multiverse which this jump drive can jump to, it is not so hot at jumping across space, the drive ratings as in standard Traveller are Jump-1 through Jump-6, but these jump numbers mean something different from the number of parsecs a Starship can jump. The timeline is congruent to the OTU in that the jump drive is invented in 2089, main difference is that these jump drives can jump a number of astronomical units (au) equal to six times the drive rating of the ship, so a Jump-1 drive can jump 6 astronomical unit instead of 1 parsec, (this is enough to take a jump ship from Earth to Jupiter) the research was intended to produce a drive which can jump Interstellar distances but this one proved disappointing. After some tinkering in at attempt to increase the range of the jump drive, some of the ships failed to reemerge back in normal space, instead they went to parallel universes. It took a while before any of these ships could find their way back.
Turns out there is a way to navigate the multiverse, each parallel universe the ship travels to is another version of our Solar System. There parallel universes are rated by the differences in the UWP of Earth. (In 2100 AD it's still called Earth) as of 2100 AD the UWP of Earth in the home Universe is A867A74-A Jump-1 drives are available at this tech level, there are a lot of parallel Earths within reach of the Jump-1 drive.
When jumping to a parallel universe, role a d6, on a result of any number but 6, the first four digits of the UWP for Earth revert to X867, and then the referee rolls for the population digit, the government type is 7 (unless the population is 0 in which case the government is also 0), law level is rolled for whatever country the PCs land in, tech level is rolled with a 1d6 using the Modifiers as per standard Traveller rules.
When jumping to a parallel Universe, when the d6 jump die is rolled and a 6 is scored, then reroll the d6 and if you get any result but a 6 this time the Hydrographic die as per the core rulebook is rerolled as modified by X86, this world has a different hydrographic percentage, if a 6 is rolled in that second d6 then you roll another d6 and on a result other than 6 the atmosphere digit and then the Hydrographic digit is rerolled. If the third d6 turns out to be a 6 then all three digits, size, atmosphere, and Hydrographics are rerolled, the starport is X on a fourth d6 roll of 1-5, but on a 6 the starport is rerolled as well, the population is made up of humans or near humans, but on a roll of 6 of a 5th d6, the population consists of actual aliens.
Once a world is reached, a reciprocal jump back to the previous world is possible, their are literally millions of worlds within reach across multiple dimensions of this Jump-1 drive, most of the near parallel worlds are populated by native humans, some are unpopulated, others are transdimensional colonies of other jump capable parallel Earths. The physics of this Universe doesn't seem to allow jumps to nearby stars, once a jump is set to further than 6 au from the Sun, the ship slips into a parallel universe, the ship seems to be bound to the same universe by the Sun's gravity, but once one travels further than 6 au from the Sun, the drive instead sends the ship to a parallel Universe with a parallel Earth, there are also parallel Mars' and Venuses. Some of these are habitable due terraforming, most appear in their natural state however.
Turns out there is a way to navigate the multiverse, each parallel universe the ship travels to is another version of our Solar System. There parallel universes are rated by the differences in the UWP of Earth. (In 2100 AD it's still called Earth) as of 2100 AD the UWP of Earth in the home Universe is A867A74-A Jump-1 drives are available at this tech level, there are a lot of parallel Earths within reach of the Jump-1 drive.
When jumping to a parallel universe, role a d6, on a result of any number but 6, the first four digits of the UWP for Earth revert to X867, and then the referee rolls for the population digit, the government type is 7 (unless the population is 0 in which case the government is also 0), law level is rolled for whatever country the PCs land in, tech level is rolled with a 1d6 using the Modifiers as per standard Traveller rules.
When jumping to a parallel Universe, when the d6 jump die is rolled and a 6 is scored, then reroll the d6 and if you get any result but a 6 this time the Hydrographic die as per the core rulebook is rerolled as modified by X86, this world has a different hydrographic percentage, if a 6 is rolled in that second d6 then you roll another d6 and on a result other than 6 the atmosphere digit and then the Hydrographic digit is rerolled. If the third d6 turns out to be a 6 then all three digits, size, atmosphere, and Hydrographics are rerolled, the starport is X on a fourth d6 roll of 1-5, but on a 6 the starport is rerolled as well, the population is made up of humans or near humans, but on a roll of 6 of a 5th d6, the population consists of actual aliens.
Once a world is reached, a reciprocal jump back to the previous world is possible, their are literally millions of worlds within reach across multiple dimensions of this Jump-1 drive, most of the near parallel worlds are populated by native humans, some are unpopulated, others are transdimensional colonies of other jump capable parallel Earths. The physics of this Universe doesn't seem to allow jumps to nearby stars, once a jump is set to further than 6 au from the Sun, the ship slips into a parallel universe, the ship seems to be bound to the same universe by the Sun's gravity, but once one travels further than 6 au from the Sun, the drive instead sends the ship to a parallel Universe with a parallel Earth, there are also parallel Mars' and Venuses. Some of these are habitable due terraforming, most appear in their natural state however.
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