Discovery
Transit
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
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
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
Evidence Summary
Rows
3
Refs
3
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 22.89 day | 2.20 Rearth | 18.50 Mearth | 881.2 K | Dransfield et al. 2022 |
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 22.89 day | 2.69 Rearth | 6.20 Mearth | 867 K | Barone et al. 2025 |
| 2022 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 22.89 day | 2.05 Rearth | — | 670.0 K | ExoFOP |