ephemeris

Pack: horizons-nasa · Endpoint: https://gateway.pipeworx.io/horizons-nasa/mcp

Generate an ephemeris (default observer table).

Parameters

NameTypeRequiredDescription
commandstringyesSPK id, name, or designation. e.g. “499” (Mars).
centerstringnoDefault “500@399” (geocentric).
start_timestringyese.g. “2026-05-18”
stop_timestringyese.g. “2026-05-19”
step_sizestringnoe.g. “1h”, “1d” (default “1h”).
table_typestringnoOBSERVER (default) | VECTORS | ELEMENTS

Example call

curl -X POST https://gateway.pipeworx.io/horizons-nasa/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"ephemeris","arguments":{}}}'

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "horizons-nasa": {
      "url": "https://gateway.pipeworx.io/horizons-nasa/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

Regenerated from source · build May 21, 2026