settled-reach/wiki/star-systems/GJ-17/index.md

Binh Trang

GJ 17 | F9V · east_reach

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System Profile

Star	F9V · 28.0 ly
Bodies	0 habitable · 2 inhabited
Gates	3 aperture · junction
Settlement	wave_3
Industries	fusion_fuel, metallic_ore, financial_services, insurance, legal_services, lattice_grade_material
Exports	financial_services, legal_services, lattice_grade_material
Imports	processed_food, electronics, consumer_goods, medical_goods, refined_metals, heavy_equipment
Population	—

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Supply Dependency

Binh Trang sits between Thornfield Station (GJ 908) on one branch and Kaelong (GJ 172) on another, with its third gate opening toward GJ 660A in the outer corridor. This position made the system commercially significant almost immediately after founding: it connects an isolated dead_end community to the junction network that includes Kaelong's Vietnamese agricultural corridor deeper in the reach. The F9V primary is brighter and more energetic than the M-dwarf stars that dominate this corridor band, which has produced a habitable world with better agricultural conditions than most of its hop-6 neighbors. Binh Trang exports food surpluses that go primarily to Thornfield Station, completing an economic dependency loop that the Thornfield community has mixed feelings about.

The system also handles transit logistics for the outer corridor branch toward GJ 660A — personnel and equipment moving deeper into the reach pass through Binh Trang's gate facilities, giving the system a secondary economy in transit services alongside its primary agricultural base.

Faction Notes

Binh Trang was settled in wave_3 by a Vietnamese-heritage farming cooperative whose members came from Kaelong's extended agricultural network. The founding decision was partly cultural — families from Kaelong's founding stock who wanted to establish their own settlement on terms they controlled rather than under the Kaelong Agricultural Syndicate's cooperative framework — and partly commercial, because the F9V star's agricultural potential was substantially better than Kaelong's K8V system had offered the earlier wave_2 founders. The name means "peaceful embankment" in Vietnamese, referencing the habitable world's prominent river-delta geography.

The founding cooperative's governance model draws on the same Vietnamese agricultural cooperative tradition as Kaelong's, but the two communities' relationship is more complicated than the shared heritage would suggest. Binh Trang's founders explicitly left Kaelong's governance structure, and their descendants have a persistent identity as independent from the Kaelong Syndicate's cultural weight even as they trade extensively with it.

The Assembly's presence is intermittent — a delegate circuit reaches Binh Trang on a schedule that reflects the system's hop distance. The governing council treats Assembly compliance as a background requirement, met without enthusiasm and without active resistance.

Guardians of Autonomy have a more active presence here than at Kaelong — partly because Binh Trang's relationship with Thornfield Station creates an economic dependency dynamic (Thornfield depends on Binh Trang food imports) that GoA organizers describe as an example of structural corridor dependency. The organizing rhetoric does not always match the actual relationship, which is bilateral and generally equitable, but it finds enough purchase to sustain a functioning chapter.

Silence Topic

What Binh Trang's council does not discuss with Thornfield Station: the agricultural pricing structure.

Binh Trang's food exports to Thornfield are priced under a bilateral trade agreement that has been in place since the two systems established the relationship in wave_3. The agreement includes a price stability provision — prices cannot be adjusted by more than a set percentage per cycle without joint council review. What the provision does not address is currency adjustment: the pricing is denominated in credits tied to an inner-corridor index, which means when inner-corridor index inflation runs above the stability cap's implied rate, Thornfield is effectively paying more in real terms without any formal price revision having occurred. The Binh Trang council's commercial advisors understand this dynamic. The Thornfield Station council does not, as far as Binh Trang's administrators are aware.

Narrative Hook

Binh Trang's food trade agreement with Thornfield Station includes a currency denomination clause that produces real-terms price increases without triggering the formal review mechanism, and whether this is a deliberate design feature or an oversight neither council has cared to examine.

Calibration Note

wave_3 at hop 6 as a junction with 3 apertures and an F9V primary is consistent with deliberate agricultural expansion along the Vietnamese corridor — the F9V star's better conditions would justify pushing a generation further out than the K8V systems that anchored the earlier wave. Vietnamese heritage founding community continuing the corridor identity established at Kaelong is a corridor-consistent choice that also explains the cultural relationship tension. The junction topology with an F9V star at 28.0 ly is calibrated correctly — the star's energy output supports the agricultural basis that a pure-M-dwarf system at this distance could not.

Celestial Bodies

Orbit	ID	Name	Type	Inhabited	Pop	Mass	Gravity	Year (d)	Day (h)	Atmo	Biome	Hydro	Economy	Settlement	Industrial
1	GJ17b	—	planet	no	—	terrestrial	0.48g	48	18.6	none	barren	—	—	—	—
2	GJ17c	—	planet	no	—	terrestrial	0.71g	180	23.8	thin	hot_arid	—	—	—	—
3	GJ17d	Binh Trang	planet	yes	520K	terrestrial	0.94g	480	25.2	standard	temperate	liquid_water	agricultural	dispersed	agricultural_export
4	GJ17-belt	—	asteroid_belt	no	—	—	—	—	—	—	—	—	—	—	—
5	GJ17e	—	planet	no	—	terrestrial	0.62g	1300	27.4	thin	cold_arid	—	—	—	—
6	GJ17f	—	gas_giant	no	—	—	—	3600	10.8	gas_giant	—	—	—	—	—
↳ 6.1	GJ17f-m1	—	moon	no	—	dwarf	0.14g	7	172.8	trace	frozen	—	—	—	—
↳ 6.2	GJ17f-m2	—	moon	no	—	dwarf	0.09g	15	369.6	—	barren	—	—	—	—
7	GJ17g	—	planet	no	—	terrestrial	0.49g	9200	36.2	trace	frozen	ice	—	—	—
8	GJ17h	—	planet	no	—	terrestrial	0.39g	19000	44.6	trace	frozen	ice	—	—	—
9	GJ17i	—	planet	no	—	terrestrial	0.30g	38000	53.4	none	frozen	ice	—	—	—
10	GJ17j	—	planet	no	—	dwarf	0.12g	68000	30.2	none	frozen	ice	—	—	—
11	GJ17-oort	—	oort_cloud	no	—	—	—	—	—	—	—	—	—	—	—

Stations & Facilities

ID	Name	Type	Orbits	Population	Economy	Governance	Docking	Gate	Districts
GJ17-oort-S1	Binh Trang Horizon	horizon	GJ17-oort	1K	transit	—	major	yes	1

Topology

• Hop Distance from Gateway: 6
• Adjacent Systems: GJ 172, GJ 908, GJ 660A