The Exoplanet Archive's collection of known exoplanets have been discovered using a variety of methods, and many have been detected using more than one method. The following table shows the number of planets contained within the Exoplanet Archive whose discovery can be attributed to a particular technique. The criteria by which a planet is included in the Exoplanet Archive may be found on our Exoplanet Criteria page.


All Exoplanet Counts

Discovery MethodNumber of Planets
Astrometry1
Imaging34
Radial Velocity503
Transit1126
Transit timing variations3
Eclipse timing variations7
Microlensing23
Pulsar timing variations5
Pulsation timing variations1
Orbital brightness modulations3

All Exoplanets1706
Transiting Exoplanets1136

Kepler Mission Counts

Confirmed planets
(mission and community)
964
Total candidates3845
Candidates in habitable zone
(180 K < T < 310 K)
659
Eclipsing binaries2177