Sector

Artificial mapping unit in astrography, intended to delineate and define locations within the galaxy.

A sector is equal to 16 subsectors (each measuring eight parsecs by ten parsecs), having an average density of 500 to 650 worlds.

Sectors are named, and several synonyms are in common use, including march (or marches), region, reach (or reaches), quadrant, and matrix. The Spinward Marches is an example of a sector.

As a rough means of comparing size, the sector counts of the large interstellar states and areas of settlement are:

State Sector Count
Imperium 27
Aslan Hierate 18
Hive Federation 17
Two Thousand Worlds 14
Vargr Extents 14
Zhodani Consulate 13
Solomani Confederation 11

(SUPP-11: p18, 1107; MT-ENCYC: p37, 1120)

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