{
  "id": "pvorbit-space-solar-station-1km2",
  "title": "1 km²模块化太空光伏电站",
  "version": "0.6.0-outer-ring-logistics",
  "updated": "2026-09-17",
  "physicalDimensions": {
    "collectorPlanform": "near-circular hexagonal honeycomb",
    "collectorOuterDiameterM": 1180,
    "collectorAreaM2": 1000000,
    "moduleShape": "regular hexagon",
    "moduleFlatToFlatM": 26.4460702671,
    "modulePointToPointM": 30.5372915754,
    "moduleCount": 1651,
    "roboticInterfacesPerModule": 6,
    "microwaveTransmitterDiameterM": 220,
    "collectorNormal": "Sun-facing (+Z in the model)",
    "earthDirection": "In the collector plane (-Y in the model)",
    "transmitterNormal": "Earth-facing (-Y in the model)"
  },
  "assembly": {
    "centralBus": "NASA Satellite Kit body 3",
    "radio": "NASA Satellite Kit radio 3",
    "localSolarWing": "NASA Satellite Kit wings 3",
    "collector": "PVOrbit instanced near-circular hexagonal honeycomb collector",
    "roboticAssembly": "six mechanical locks and blind-mate power/data ports plus one grapple fixture per module",
    "onOrbitMaintenance": "two independent maintenance demonstrations: a central rotary depot with six module cartridges and a seam-crawling robot; and an outer-rim depot whose logistics robot carries a spare around a dedicated circumferential rail to the closest service ingress, where a repair robot replaces the failed module and returns the removed unit to the outer depot",
    "powerTransmitter": "PVOrbit conceptual independently articulated nadir-facing planar phased array",
    "attitude": "Dawn-dusk orbit visualization: collector plane vertical to the Earth radial direction",
    "formationCommunication": "two optical inter-satellite terminals on a central Sun-side mast, with Ka-band backup communications",
    "attitudeAndOrbitControl": "central star tracker and three reaction wheels, plus six distributed rear-rim microthruster pods for trim manoeuvres and momentum dumping"
  },
  "sources": [
    {
      "name": "NASA 3D Resources — Satellite Kit",
      "url": "https://github.com/nasa/NASA-3D-Resources/tree/master/3D%20Models/Satellite%20Kit",
      "files": ["body 3", "radio 3", "wings 3"]
    },
    {
      "name": "NASA 3D Resources — Tall Dish",
      "url": "https://science.nasa.gov/3d-resources/tall-dish/",
      "usage": "structural comparison only; excluded from the assembled power transmitter"
    }
  ],
  "disclaimer": "Concept visualization assembled by PVOrbit. NASA has not proposed, reviewed or endorsed this specific 1 km² station configuration."
}