> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rotastellar.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Service Index

> Returns service metadata and available endpoints

<Note>
  **Base URL:** `https://sim.rotastellar.com`
  — No API key required.
</Note>

<RequestExample>
  ```bash theme={null}
  curl https://sim.rotastellar.com/v1
  ```
</RequestExample>

<ResponseExample>
  ```json 200 OK theme={null}
  {
    "service": "rotastellar-sim",
    "version": "1.0.0",
    "description": "Orbital Simulation — stateless orbital computation for satellite digital twins",
    "endpoints": [
      { "method": "POST", "path": "/v1/state", "description": "Compute orbital state at a timestamp" },
      { "method": "POST", "path": "/v1/state/batch", "description": "Batch orbital state for multiple satellites" },
      { "method": "POST", "path": "/v1/propagate", "description": "Propagate trajectory over a time window" },
      { "method": "POST", "path": "/v1/passes", "description": "Compute ground station passes" },
      { "method": "POST", "path": "/v1/orbital-params", "description": "Derive orbital parameters from altitude" },
      { "method": "GET", "path": "/v1/templates", "description": "List orbit templates" },
      { "method": "GET", "path": "/v1/constellation-templates", "description": "List constellation templates" },
      { "method": "GET", "path": "/v1/ground-stations", "description": "List ground station network" }
    ]
  }
  ```
</ResponseExample>