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ExoplanetDetail

K2-291 b

Host star K2-291 • 1.59 R⊕ • 2.23 d orbit

Records

4

archive rows

Discovery

Transit

Radius

1.59 R⊕

median non-null value

Mass

6.49 M⊕

median non-null value

K2-291

1240.5 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

K2-291

Discovery

Transit

Year

2019

Period

2.23 day

Radius

1.59 Rearth

Mass

6.49 Mearth

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 1.59 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

K2-291 b

1.59 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

4

Refs

4

Methods

1

Discoverystable

4 values • 1 distinct

Facilitystable

4 values • 1 distinct

Periodstable

4 values • 1 distinct

Radiusdisputed

4 values • 3 distinct

Massdisputed

3 values • 2 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2019TransitK20.95 m Kepler Telescope2.23 day1.59 Rearth6.49 MearthKosiarek et al. 2019
2019TransitK20.95 m Kepler Telescope2.23 day1.50 Rearth1203 KExoFOP
2019TransitK20.95 m Kepler Telescope2.23 day1.58 Rearth6.40 MearthDai et al. 2019
2019TransitK20.95 m Kepler Telescope2.23 day1.59 Rearth6.49 Mearth1278 KHoward et al. 2025