The Extrasolar
Planets Encyclopaedia

Established in February 1995
Developed and maintained by the exoplanet TEAM
update : Nov. 12, 2019 (4130 planets)
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Oct. 8, 2019 Nobel Prize for exoplanets (Mayor & Queloz - and for Cosmology [Peebles))

June 19, 2019 ESA to launch a mission toward a future interstellar comet

April 1, 2019 All of our database is accessible in python via our API. We have added a tutorial to use the API to query our database and collect/handle the data you want in an easy way.

March 12, 2019 Today is a celebration day as we are now over 4000 planets validated in our database and this number will grow very quickly thanks to intensive on-going work!

Dec. 11, 2018 Warning : Announcements of K2 planets can be duplicated. -The planet of the star EPIC 201498078 has been announced as K2-261 b by Johnson et al., MNRAS, august 2018 and as K2-161 b by Brahms et al. , MNRAS, november 2018. - Mayo et al. 2018 gives also the name K2-161 b to EPIC 201231064 b. - The two planets of the star 2MASS J08452605+1941544 are simultaneously announced by Rizzuto et al. (2018 ) as K2-264 b and c and by Livingston et al. (2018) as EPIC 211964830 b and c.


update : April 1, 2019


update : Nov. 12, 2019


update : Oct. 21, 2019

Planets in binaries

update : March 18, 2019


update : Nov. 12, 2019

Theory Work

update : Nov. 22, 2017

Other sites

update : Sept. 23, 2019