# Groombridge 1830
**GJ 451A** | M-type | south_reach

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## System Profile
<!-- READ-ONLY — generated from systems.db -->

| | |
|---|---|
| **Star** | G8Vp · 29.7 ly |
| **Gates** | 3 aperture · junction |
| **Settlement** | wave_4 |

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## Supply Dependency
<!-- Required for manufacturing/transit_logistics base and narrative_notable systems -->

## Faction Notes
<!-- Significant local factions not covered by standard columns -->

## Silence Topic
<!-- Required for narrative_notable and Institutional Core / Diplomatic Periphery zones -->

## Narrative Hook
<!-- Required if narrative_notable = true. One sentence. -->

## Calibration Note
<!-- Unusual column combinations requiring justification -->

## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 6
- **Adjacent Systems:** GJ 644C, GJ 688, GJ 902