curl https://sim.rotastellar.com/v1/templates

curl https://sim.rotastellar.com/v1/constellation-templates

curl -X POST https://sim.rotastellar.com/v1/constellation-templates/walker-star-6-3/expand \
  -H "Content-Type: application/json" \
  -d '{"base_orbit": "leo-standard"}'

[
  {
    "id": "leo-standard",
    "name": "LEO Standard",
    "altitude_km": 550,
    "inclination_deg": 53,
    "eccentricity": 0.0001,
    "description": "Standard low-Earth orbit at 550 km"
  },
  {
    "id": "leo-low",
    "name": "LEO Low",
    "altitude_km": 420,
    "inclination_deg": 51.6,
    "eccentricity": 0.0002,
    "description": "Low LEO at ISS altitude"
  },
  {
    "id": "sun-sync-500",
    "name": "Sun-Synchronous 500km",
    "altitude_km": 500,
    "inclination_deg": 97.4,
    "eccentricity": 0.0001,
    "description": "Dawn-dusk sun-synchronous orbit"
  },
  {
    "id": "sun-sync-700",
    "name": "Sun-Synchronous 700km",
    "altitude_km": 700,
    "inclination_deg": 98.2,
    "eccentricity": 0.0001,
    "description": "Higher sun-synchronous orbit"
  },
  {
    "id": "polar-800",
    "name": "Polar 800km",
    "altitude_km": 800,
    "inclination_deg": 98.7,
    "eccentricity": 0.0001,
    "description": "Near-polar orbit"
  },
  {
    "id": "meo-navigation",
    "name": "MEO Navigation",
    "altitude_km": 20200,
    "inclination_deg": 55,
    "eccentricity": 0.001,
    "description": "Medium Earth orbit (GPS/Galileo)"
  },
  {
    "id": "geo-comms",
    "name": "Geostationary",
    "altitude_km": 35786,
    "inclination_deg": 0,
    "eccentricity": 0.0001,
    "description": "Geostationary orbit"
  }
]

[
  {
    "id": "walker-star-6-3",
    "name": "Walker Star 6/3/1",
    "satellite_count": 6,
    "planes": 3,
    "sats_per_plane": 2,
    "base_orbit": "leo-standard",
    "description": "6 satellites across 3 orbital planes"
  },
  {
    "id": "walker-star-12-4",
    "name": "Walker Star 12/4/1",
    "satellite_count": 12,
    "planes": 4,
    "sats_per_plane": 3,
    "base_orbit": "leo-standard",
    "description": "12 satellites across 4 planes"
  },
  {
    "id": "polar-ring-4",
    "name": "Polar Ring",
    "satellite_count": 4,
    "planes": 2,
    "sats_per_plane": 2,
    "base_orbit": "sun-sync-500",
    "description": "4 satellites in 2 sun-synchronous planes"
  },
  {
    "id": "single-plane-3",
    "name": "Single Plane Trio",
    "satellite_count": 3,
    "planes": 1,
    "sats_per_plane": 3,
    "base_orbit": "leo-standard",
    "description": "3 satellites in a single plane"
  }
]