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Kepler-18 b

Host star Kepler-18 • 2.01 R⊕ • 3.50 d orbit

Records

15

archive rows

Discovery

Transit

Radius

2.01 R⊕

median non-null value

Mass

21.58 M⊕

median non-null value

Kepler-18

1165 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

Kepler-18

Discovery

Transit

Year

2011

Period

3.50 day

Radius

Mass

140.4 Mearth

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 2.01 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

Kepler-18 b

2.01 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

15

Refs

14

Methods

1

Discoverystable

15 values • 1 distinct

Facilitystable

15 values • 1 distinct

Periodstable

14 values • 1 distinct

Radiusdisputed

10 values • 7 distinct

Massdisputed

4 values • 4 distinct

Eq. Tempdisputed

5 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2011TransitKepler0.95 m Kepler Telescope3.50 day140.4 MearthOfir et al. 2025
2011TransitKepler0.95 m Kepler Telescope3.50 day2.11 Rearth1165 KQ1-Q12 KOI Table
2011TransitKepler0.95 m Kepler Telescope3.50 dayGajdoš et al. 2019
2011TransitKepler0.95 m Kepler Telescope3.50 day1.82 Rearth1120 KQ1-Q8 KOI Table
2011TransitKepler0.95 m Kepler Telescope3.50 day1.81 Rearth12.75 MearthWeiss et al. 2024
2011TransitKepler0.95 m Kepler Telescope3.50 dayQ1-Q17 DR25 Supplemental KOI Table
2011TransitKepler0.95 m Kepler Telescope3.50 day30.42 MearthOfir et al. 2025
2011TransitKepler0.95 m Kepler Telescope3.50 day1.81 RearthFulton & Petigura 2018
2011TransitKepler0.95 m Kepler Telescope3.50 day2.03 Rearth1165 KQ1-Q17 DR25 KOI Table
2011TransitKepler0.95 m Kepler Telescope3.50 dayHolczer et al. 2016
2011TransitKepler0.95 m Kepler Telescope3.50 day2 Rearth6.90 MearthCochran et al. 2011
2011TransitKepler0.95 m Kepler Telescope3.50 day2.11 Rearth1165 KQ1-Q16 KOI Table
2011TransitKepler0.95 m Kepler Telescope1.78 RearthBerger et al. 2018
2011TransitKepler0.95 m Kepler Telescope3.50 day2.09 RearthMorton et al. 2016
2011TransitKepler0.95 m Kepler Telescope3.50 day2.11 Rearth1165 KQ1-Q17 DR24 KOI Table