Welcome to ExoFOP

The Exoplanet Follow-up Observing Program (ExoFOP) website is designed to optimize resources and facilitate collaboration in follow-up studies of exoplanet candidates. ExoFOP serves as a repository for community-gathered follow-up data by allowing upload and display of data and derived astrophysical parameters.

Please include the following standard acknowledgment in any published material that makes use of ExoFOP: "This research has made use of the Exoplanet Follow-up Observation Program website, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program."

ExoFOP Data Migration
The ExoFOP Archive is in the process of migrating to a single portal. The user uploaded content in the Kepler and K2 portals is being incorporated into the TESS portal. The original user and date of the upload will be retained. As content is migrated, the update feature for that parameter class in the original portal will be disabled. See Status.


8,214 stars
2,328 confirmed planets


362,860 targets
431 confirmed planets

K2 Campaign 9

Microlensing survey
627 events


TIC v8
2,120 TESS Objects of Interest

Questions? Contact us at exofop-support@ipac.caltech.edu.