Discovery Method
Transit
Consistent across records
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ExoplanetDetail
Kepler-12 b
Host star Kepler-12 • 19.66 R⊕ • 4.44 d orbit
Records
18
archive rows
Discovery
2011
Transit
Radius
19.66 R⊕
default parameter set
Mass
137.3 M⊕
default parameter set
Kepler-12
1480 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: Esteves et al. 2015
Host Star
Kepler-12
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
4.44 day
4.44 to 4.44
Semi-Major Axis
0.06 au
0.05 to 0.06
Radius
19.66 Rearth
17.13 to 20.36
Mass
137.3 Mearth
136.7 to 137.6
Density
0.11 g/cm**3
0.11 to 0.11
Equilibrium Temperature
1480 K
1314 to 1485
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 19.66 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
Kepler-12 b
19.66 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
18
Refs
18
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 19.00 Rearth | 137.0 Mearth | — | Fortney et al. 2011 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 19.12 Rearth | 136.7 Mearth | 1485 K | Southworth 2012 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 17.13 Rearth | — | — | Morton et al. 2016 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 17.60 Rearth | — | 1314 K | Q1-Q8 KOI Table |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 18.22 Rearth | — | 1338 K | Q1-Q12 KOI Table |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 18.22 Rearth | — | 1338 K | Q1-Q17 DR24 KOI Table |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 18.05 Rearth | — | 1338 K | Q1-Q17 DR25 KOI Table |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 18.22 Rearth | — | 1338 K | Q1-Q16 KOI Table |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 20.36 Rearth | — | 1414.0 K | ExoFOP |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 19.38 Rearth | — | — | Fulton & Petigura 2018 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | — | — | — | Holczer et al. 2016 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | — | 19.57 Rearth | — | — | Berger et al. 2018 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 19.00 Rearth | 137.6 Mearth | — | Bonomo et al. 2017 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | — | — | — | Gajdoš et al. 2019 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | 19.66 Rearth | 137.3 Mearth | 1480 K | Esteves et al. 2015 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | — | — | — | Q1-Q17 DR25 Supplemental KOI Table |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | — | — | — | Kokori et al. 2022 |
| 2011 | Transit | Kepler | 0.95 m Kepler Telescope | 4.44 day | — | — | — | Kokori et al. 2023 |