jpl_horizons_file
Retrieve ephemeris data for solar system objects using JPL Horizons file input to calculate positions and orbits for astronomical analysis.
Instructions
JPL Horizons - Solar system objects ephemeris data (File Input)
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| format | No | Response format (json, text) | |
| COMMAND | Yes | Target object identifier (e.g., '499' for Mars, '1' for Ceres, 'C/2020 F3' for Comet NEOWISE) | |
| OBJ_DATA | No | Include object data | |
| MAKE_EPHEM | No | Generate ephemeris | |
| EPHEM_TYPE | No | Type of ephemeris (OBSERVER, VECTORS, ELEMENTS) | |
| CENTER | No | Coordinate center (e.g., '500@399' for Earth) | |
| START_TIME | No | Start time for ephemeris (e.g., '2023-01-01') | |
| STOP_TIME | No | Stop time for ephemeris (e.g., '2023-01-02') | |
| STEP_SIZE | No | Step size for ephemeris points (e.g., '1d' for daily, '1h' for hourly) | |
| QUANTITIES | No | Observable quantities to include (e.g., 'A' for all, or '1,2,20,23' for specific ones) | |
| OUT_UNITS | No | Output units for vector tables |