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Kepler-18 c

Host star Kepler-18 • 4.98 R⊕ • 7.64 d orbit

Records

15

archive rows

Discovery

Transit

Radius

4.98 R⊕

median non-null value

Mass

17.30 M⊕

median non-null value

Kepler-18

899 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

7.64 day

Radius

Mass

6.30 Mearth

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 4.98 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

Kepler-18 c

4.98 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

11 values • 8 distinct

Massdisputed

5 values • 5 distinct

Eq. Tempdisputed

5 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2011TransitKepler0.95 m Kepler Telescope7.64 day6.30 MearthOfir et al. 2025
2011TransitKepler0.95 m Kepler Telescope7.64 day4.98 Rearth899 KQ1-Q12 KOI Table
2011TransitKepler0.95 m Kepler Telescope7.64 day4.98 Rearth899 KQ1-Q17 DR24 KOI Table
2011TransitKepler0.95 m Kepler Telescope7.64 dayQ1-Q17 DR25 Supplemental KOI Table
2011TransitKepler0.95 m Kepler Telescope7.64 day5.22 Rearth18.40 MearthHadden et al. 2014
2011TransitKepler0.95 m Kepler Telescope7.64 day4.98 Rearth899 KQ1-Q16 KOI Table
2011TransitKepler0.95 m Kepler Telescope7.64 dayHolczer et al. 2016
2011TransitKepler0.95 m Kepler Telescope7.64 day5.49 Rearth17.30 MearthCochran et al. 2011
2011TransitKepler0.95 m Kepler Telescope7.64 day4.91 Rearth899 KQ1-Q17 DR25 KOI Table
2011TransitKepler0.95 m Kepler Telescope7.64 day2.76 MearthOfir et al. 2025
2011TransitKepler0.95 m Kepler Telescope7.64 day4.27 Rearth19.74 MearthWeiss et al. 2024
2011TransitKepler0.95 m Kepler Telescope7.64 day4.99 RearthMorton et al. 2016
2011TransitKepler0.95 m Kepler Telescope4.29 RearthBerger et al. 2018
2011TransitKepler0.95 m Kepler Telescope7.64 day4.75 Rearth858 KQ1-Q8 KOI Table
2011TransitKepler0.95 m Kepler Telescope7.64 day4.27 RearthFulton & Petigura 2018