It is a new kind of astronomical database decentralized and completely open.[1][2][3] It is considered one of the four exoplanet catalogues most widely used, together with the Extrasolar Planets Encyclopaedia, the NASA Exoplanet Archive, and the Exoplanet Data Explorer.[4] In 2012, Hanno Rein presented a new kind of astronomical database based on small text files and a distributed version control system.[5] In 2016, Ryan Varley presented ExoData, Python interface and exploratory analysis tool for the Open Exoplanet Catalogue.[6] As of October 2020, the Open Exoplanet Catalogue has the following statistics:
Number of exoplanets classified by method of discovery
