settled-reach/wiki/star-systems/GJ-687/index.md

Matsue

GJ 687 | M-type | east_reach

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System Profile

Star	M3.5Vvar · 14.8 ly
Bodies	0 habitable · 2 inhabited
Gates	2 aperture · through_route
Settlement	unsettled
Industries	fusion_fuel, metallic_ore, rare_minerals, chemical_feedstock, hospitality, financial_services, legal_services
Exports	rare_minerals, financial_services
Imports	processed_food, electronics, consumer_goods, medical_goods, refined_metals, chemicals
Population	—

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Supply Dependency

Matsue is the east corridor's component fabrication relay: precision machined parts, electronics housings, structural fittings, and the intermediate-complexity manufactured goods that higher-end systems like Haodu (GJ 566A) require as inputs but do not produce at scale. The system's industrial base grew around a specific economic niche — mid-complexity manufacturing for a corridor that produces either raw materials at one end or finished commercial product at the other — and that niche has proven durable.

The supply relationship runs in two directions. Matsue imports raw feedstock from extraction systems deeper in the corridor and from the outer reach, processes it into components, and ships those components coreward through the corridor toward Yongjin (GJ 34B) and Changwon (GJ 860B), which handle onward distribution. The Suzhou system (GJ 4274) is Matsue's single dead_end neighbor, receiving general supply and occasionally contributing specialized research-grade materials back into the manufacturing chain for high-tolerance applications.

Faction Notes

The Yongli Combine has a manufacturing affiliate at Matsue — not a dominant presence on the order of Haodu, but a significant anchor employer that operates two of the larger fabrication complexes. The affiliate's presence is industrial rather than governance-seeking; the Combine has consistently declined to bid for formal administrative contracts at Matsue, preferring to operate as a major employer within a governance structure it does not control.

Local governance is an industrial syndicate council — elected by employed residents with a seat weighting that reflects the older Japanese-heritage founding community's civic traditions more than any contemporary design logic. The founding community arrived in the early wave_3 push that expanded east_reach manufacturing capacity, drew the system's name from a coastal city on Honshu, and established the syndicate governance model that persists today, modified but intact. The council's relationship with the Assembly is institutional: assessments are paid, delegates are sent, and the Assembly's relevance to daily Matsue life is the background fact of any corridor system at this hop distance.

Gate Corporation maintains standard through-route service. No significant Commission investigation presence — Matsue is not a hiding system; it is a working system.

Silence Topic

What the industrial syndicate council does not discuss publicly: the apprenticeship quota question.

Matsue's manufacturing sector has historically maintained formal apprenticeship programs administered through the founding community's syndicate network. These programs are how new residents access the better-compensated skilled positions, and the intake criteria have been managed through the syndicate council's credentialing office rather than any open competitive process. Non-heritage applicants are not formally excluded. They are, in practice, rarely selected by the councils that run intake. The Yongli Combine's workers — who do not go through syndicate credentialing for Combine-operated facilities — have noticed.

Narrative Hook

The Yongli Combine's workers at Matsue have better-documented skills and lower advancement rates than syndicate-credentialed locals, and the syndicate council's credentialing office does not explain its selection criteria in writing.

Calibration Note

The systems.db registers this system as unsettled — a database anomaly that likely reflects an incomplete settlement-wave filing rather than genuine uninhabitation. The physical description (through_route topology, two gates, named system with clear industrial function) is inconsistent with unsettled status. This page treats the system as settled and flags the discrepancy for database correction. The M3.5Vvar star classification (a mildly variable M-dwarf) is consistent with an industrial rather than agricultural economy — surface agriculture is viable in shielded habitats but not open-field. Manufacturing, which does not require stable stellar irradiation, suits this star type.

Celestial Bodies

Orbit	ID	Name	Type	Inhabited	Pop	Mass	Gravity	Year (d)	Day (h)	Atmo	Class	Hydro	Economy	Settlement	Industrial
1	GJ687b	—	planet	no	—	terrestrial	0.32g	5	115.2	none	barren	—	—	—	—
2	GJ687c	Matsue	planet	yes	800K	terrestrial	0.81g	38	912.0	standard	temperate_terminator	liquid_water	manufacturing	urban_concentrated	component_fabrication
3	GJ687-belt	—	asteroid_belt	no	—	—	—	—	—	—	—	—	—	—	—
4	GJ687d	—	planet	no	—	terrestrial	0.46g	95	21.6	thin	frozen	—	—	—	—
5	GJ687e	—	gas_giant	no	—	—	—	420	13.2	gas_giant	—	—	—	—	—
↳ 5.1	GJ687e-m1	—	moon	no	—	dwarf	0.11g	5	122.4	—	frozen	—	—	—	—
6	GJ687f	—	planet	no	—	terrestrial	0.38g	1400	33.0	trace	frozen	—	—	—	—
7	GJ687g	—	planet	no	—	terrestrial	0.28g	3600	42.0	trace	frozen	—	—	—	—
8	GJ687h	—	planet	no	—	dwarf	0.12g	8200	26.0	none	frozen	ice	—	—	—
9	GJ687-oort	—	oort_cloud	no	—	—	—	—	—	—	—	—	—	—	—

Stations & Facilities

ID	Name	Type	Orbits	Population	Economy	Governance	Docking	Gate	Districts
GJ687-oort-S1	Matsue Horizon	horizon	GJ687-oort	1K	transit	—	major	yes	1

Topology

• Hop Distance from Gateway: 4
• Adjacent Systems: GJ 205, GJ 4274