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K2-121 b

Host star K2-121 • 7.51 R⊕ • 5.19 d orbit

Records

11

archive rows

Discovery

Transit

Radius

7.51 R⊕

median non-null value

Mass

51 M⊕

median non-null value

K2-121

730.5 K equilibrium

Quick Summary

Fast scan of the current planet profile

This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.

Host Star

K2-121

Discovery

Transit

Year

2017

Period

5.19 day

Radius

7.50 Rearth

Mass

Eq. Temp

935 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 7.51 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

K2-121 b

7.51 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

11

Refs

11

Methods

1

Discoverystable

11 values • 1 distinct

Facilitystable

11 values • 1 distinct

Periodstable

11 values • 1 distinct

Radiusdisputed

8 values • 7 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

4 values • 4 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2017TransitK20.95 m Kepler Telescope5.19 day7.50 Rearth935 KExoFOP
2017TransitK20.95 m Kepler Telescope5.19 day7.70 RearthPetigura et al. 2018
2017TransitK20.95 m Kepler Telescope5.19 day7.50 Rearth723 KLivingston et al. 2018
2017TransitK20.95 m Kepler Telescope5.19 day7.64 RearthMayo et al. 2018
2017TransitK20.95 m Kepler Telescope5.19 dayBarros et al. 2016
2017TransitK20.95 m Kepler Telescope5.19 day7.52 Rearth738 KCastro-González et al. 2022
2017TransitK20.95 m Kepler Telescope5.19 dayKokori et al. 2023
2017TransitK20.95 m Kepler Telescope5.19 day9.12 RearthDressing et al. 2017
2017TransitK20.95 m Kepler Telescope5.19 day7.44 RearthKruse et al. 2019
2017TransitK20.95 m Kepler Telescope5.19 day7.16 Rearth51 Mearth716 KHoward et al. 2025
2017TransitK20.95 m Kepler Telescope5.19 dayPope et al. 2016