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K2-138 e

Host star K2-138 • 3.30 R⊕ • 8.26 d orbit

Records

5

archive rows

Discovery

Transit

Radius

3.30 R⊕

median non-null value

Mass

13.54 M⊕

median non-null value

K2-138

775.5 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

K2-138

Discovery

Transit

Year

2017

Period

8.26 day

Radius

3.29 Rearth

Mass

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 3.30 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

K2-138 e

3.30 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

5

Refs

5

Methods

1

Discoverystable

5 values • 1 distinct

Facilitystable

5 values • 1 distinct

Periodstable

5 values • 1 distinct

Radiusdisputed

4 values • 4 distinct

Massdisputed

2 values • 2 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2017TransitK20.95 m Kepler Telescope8.26 day3.29 RearthChristiansen et al. 2018
2017TransitK20.95 m Kepler Telescope8.26 day3.11 Rearth757 KHardegree-Ullman et al. 2021
2017TransitK20.95 m Kepler Telescope8.26 day3.31 Rearth794 KExoFOP
2017TransitK20.95 m Kepler Telescope8.26 day3.39 Rearth12.97 MearthLopez et al. 2019
2017TransitK20.95 m Kepler Telescope8.26 day14.11 MearthVivien et al. 2024