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K2-389 b

Host star K2-389 • 2.18 R⊕ • 8.58 d orbit

Records

3

archive rows

Discovery

Transit

Radius

2.18 R⊕

median non-null value

Mass

median non-null value

K2-389

932 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

K2-389

Discovery

Transit

Year

2022

Period

8.58 day

Radius

2.18 Rearth

Mass

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 2.18 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

K2-389 b

2.18 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

3

Refs

3

Methods

1

Discoverystable

3 values • 1 distinct

Facilitystable

3 values • 1 distinct

Periodstable

3 values • 1 distinct

Radiusdisputed

3 values • 3 distinct

Eq. Tempstable

1 values • 1 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2022TransitK20.95 m Kepler Telescope8.58 day2.18 RearthChristiansen et al. 2022
2022TransitK20.95 m Kepler Telescope8.58 day2.12 RearthZink et al. 2021
2022TransitK20.95 m Kepler Telescope8.58 day2.33 Rearth932 KHoward et al. 2025