Discovery Method
Transit
Consistent across records
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ExoplanetDetail
Kepler-109 c
Host star Kepler-109 • 2.65 R⊕ • 21.22 d orbit
Records
15
archive rows
Discovery
2014
Transit
Radius
2.65 R⊕
default parameter set
Mass
8.20 M⊕
default parameter set
Kepler-109
859 K equilibrium
Canonical Summary
Adopted planet values from the default parameter set
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Bonomo et al. 2023
Host Star
Kepler-109
Stable across source rows
Discovery Year
2014
Stable across source rows
Orbital Period
21.22 day
21.22 to 21.22
Semi-Major Axis
0.15 au
0.15 to 0.15
Radius
2.65 Rearth
2.48 to 2.71
Mass
8.20 Mearth
1.75 to 21.80
Density
2.40 g/cm**3
0.59 to 2.40
Equilibrium Temperature
859 K
771 to 859
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.65 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
Kepler-109 c
2.65 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
15
Refs
15
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | — | — | — | Gajdoš et al. 2019 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.65 Rearth | 8.20 Mearth | 859 K | Bonomo et al. 2023 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.54 Rearth | — | — | Fulton & Petigura 2018 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.54 Rearth | 1.75 Mearth | — | Weiss et al. 2024 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.71 Rearth | — | 793 K | Q1-Q8 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.48 Rearth | — | 771 K | Q1-Q17 DR25 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.50 Rearth | — | 774 K | Q1-Q17 DR24 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.63 Rearth | — | — | Van Eylen & Albrecht 2015 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | — | 2.58 Rearth | — | — | Berger et al. 2018 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | — | — | — | Holczer et al. 2016 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | — | — | — | Q1-Q17 DR25 Supplemental KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.50 Rearth | — | 774 K | Q1-Q12 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.50 Rearth | — | 774 K | Q1-Q16 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.52 Rearth | 21.80 Mearth | — | Marcy et al. 2014 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 21.22 day | 2.52 Rearth | — | — | Morton et al. 2016 |