System
A System or Star System is an astrographic term for a star and its family of planets and satellites.
- Also known as a Stellar System or a World-System among other terms.
Description (Specifications)
The term system denotes a major world and its associated star, plus any other planets, satellites, asteroids, and other bodies in a significant gravitational relationship with the source star.
- Also includes all bands of system including the close inner system and the far outer system of Oort clouds and orbiting comets or other astrographic objects.
Star System Locations
Includes the mainworld, satellites, and all other worlds within a system. In the case of polystellar systems, it may include all stars and their associated worlds.
Type | World Band | Orbit | Distance | Location/s | Solar Region | Grav. Relationship | Remarks |
---|---|---|---|---|---|---|---|
Star | Very Rare | 0 (zero) | Center (zero) | Star | Star | Source | Astronomic but not astrographic centerpoint. |
Inner System | Inner Worlds | 1 to 6 | Up to 42 Light Minutes | HZ Neg | Heliosphere | Significant gravity | Warmer Worlds |
HZ | Goldilocks Zone | Variable | Variable | HZ | Heliosphere | Significant gravity | Just right. Goldilocks Zone. Liquid water.
|
Outer System | Outer Worlds | 7 to 12 | Up to 42 Light Hours | HZ Plus | Heliosphere | Significant gravity | Colder worlds. |
Remote System | Rogue Worlds | 13 to 144 | Up to 2 Light Weeks | Remote System | Heliosphere to Heliopause | Insignificant gravity | Kuiper Belt. Trans-Neptunian Objects. |
Far System | Rogue Worlds | Orbit 145 to (3.27 parsecs) | To limits of an area of one Parsec volumetric cube | Far System | Interstellar Medium | Very weak gravity | Oort Cloud/s. Hill Sphere. |
Polystellar Systems
Polystellar star systems with one to six stars can be found within Charted Space. Polystellar star systems with larger numbers of stars are considerably rarer.
- Binary Star System
- Trinary Star System
- Quaternary Star System
- Quinary Star System
- Sextenary Star System
History & Background (Dossier)
The IISS or its counterparts typically only have fairly comprehensive star charts for inner systems. Outer systems typically remain very roughly charted or nearly uncharted.
References & Contributors (Sources)
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- MegaTraveller Imperial Encyclopedia
- Traveller: The New Era Main Rulebook (pg. 192)
- T5 Core Rules
- Author & Contributor: Lord (Marquis) and Master of Sophontology Maksim-Smelchak of the Ministry of Science