Accessing the Transit Service

User Guide

About Transit and Ephemeris

Using the Service:
  1. Accessing the Transit Service
  2. Building a Transit Prediction Query
  3. Building a Transit Service Query by URL
  4. Programmatic Results API
  5. Viewing Predictions
  6. Refining Transit Settings
  7. Transit Algorithms
  8. Definitions of Transit Parameters
  9. Usage Tips and Troubleshooting

The Transit and Ephemeris service can be accessed in the archive via the following ways:

Tools Menu

The Tools drop-down menu can be accessed from any Exoplanet Archive web page. Mouse over Tools to display the menu, then click Transit and Ephemeris Service.

screenshot of the Tools pull-down menu displayed and the Transit and Ephemeris Service option highlighted inside a yellow rectangle

 

Homepage Button

Click on Transit and Ephemeris Service in the Tools and Services button grid on the archive's homepage.

screenshot of the Tools & Services button grid with the button labeled Transit and Ephemeris Service highlighted

Application Programming Interfaces (API)

To retrieve Transit Service search results in machine-readable formats, review the Programmatic Results API page.

To pre-populate the Transit Service web form with values from a command line, review the Building a Transit Service Query by URL page. Note: This method only fills out the web query form. Users must run the service from the web page to retrieve predictions. For a non-web API, use the Programmatic Results API referenced above.

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Last updated: 27 May 2026