{
  "trajectory": [
    {
      "t": "2026-03-08T12:00:00Z",
      "lat": 42.15,
      "lon": -73.82,
      "altitude_km": 550.3,
      "velocity_km_s": 7.59,
      "in_eclipse": false,
      "orbit_fraction": 0.000
    },
    {
      "t": "2026-03-08T12:01:00Z",
      "lat": 42.58,
      "lon": -72.14,
      "altitude_km": 550.3,
      "velocity_km_s": 7.59,
      "in_eclipse": false,
      "orbit_fraction": 0.010
    }
  ],
  "count": 121,
  "start": "2026-03-08T12:00:00Z",
  "end": "2026-03-08T14:00:00Z",
  "step_s": 60
}

{
  "error": "range_too_large",
  "message": "Propagation window exceeds 48 hours"
}