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ExoplanetDetail

HD 28109 b

Host star HD 28109 • 2.20 R⊕ • 22.89 d orbit

Records

3

archive rows

Discovery

Transit

Radius

2.20 R⊕

median non-null value

Mass

12.35 M⊕

median non-null value

HD 28109

867 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

HD 28109

Discovery

Transit

Year

2022

Period

22.89 day

Radius

2.20 Rearth

Mass

18.50 Mearth

Eq. Temp

881.2 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 2.20 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

HD 28109 b

2.20 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

Massdisputed

2 values • 2 distinct

Eq. Tempdisputed

3 values • 3 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2022TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope22.89 day2.20 Rearth18.50 Mearth881.2 KDransfield et al. 2022
2022TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope22.89 day2.69 Rearth6.20 Mearth867 KBarone et al. 2025
2022TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope22.89 day2.05 Rearth670.0 KExoFOP