The Search for Other Earths

star field

 

 5 Confirmed Exoplanet Statistics

                  5/29/2020

 

Discovery Method                                             Planets

Astrometry                                           1

Imaging                                               49

Radial Velocity                                 802

Transit                                             3164

Transit timing variations                   21

Eclipse timing variations                   16

Microlensing                                       89

Pulsar timing variations                       7

Pulsation timing variations                 2

Orbital brightness modulations         6      

Disk Kinematics                                    1

Transiting Exoplanets                       3189

All Exoplanets                                   4158

                     Counts by Radius

Less than 1.25 Earth radius                             404

Greater than 1.25 less than 2 Earth radii       849

Greater than 2 less than 6 Earth radii           1319

Greater than 6 less than 15 Earth radii           448

Greater than 15 Earth radii                               161

Kepler Star Field

       Kepler 1 Mission Counts

Confirmed Planets (mission and community)               2360

Habitable Zone Confirmed and Candidates*                   361

Kepler Project Candidates                                                4717

Kepler Project Unconfirmed Candidates                        2418

Total Candidates and Confirmed Planets                       4778

*180 K < Equilibrium (T) < 310 K or 0.25 < Earth Insolation < 2.2

      Kepler 2 Mission Counts

Confirmed Planets  (mission and community)               430

Confirmed Planets Discovered by K2                              397

K2 Candidates yet to be Confirmed                                 889

K2 Campaign 9 Microslensing Events                              627              

      TESS Mission Counts

Confirmed Planets                                                               47

Candidate Planets                                                            1161

   Source: NASA Exoplanet Archive                                                      6/1/2020

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