Discovery Method
Transit
Consistent across records
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ExoplanetDetail
Kepler-421 b
Host star Kepler-421 • 4.16 R⊕ • 704.2 d orbit
Records
7
archive rows
Discovery
2014
Transit
Radius
4.16 R⊕
default parameter set
Mass
—
default parameter set
Kepler-421
185 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: Kipping et al. 2014
Host Star
Kepler-421
Stable across source rows
Discovery Year
2014
Stable across source rows
Orbital Period
704.2 day
362 to 705.0
Semi-Major Axis
1.22 au
0.92 to 1.43
Radius
4.16 Rearth
4.16 to 4.73
Equilibrium Temperature
185 K
178 to 216
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 4.16 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
Kepler-421 b
4.16 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | — | 4.62 Rearth | — | — | Berger et al. 2018 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 705.0 day | 4.58 Rearth | — | — | Fulton & Petigura 2018 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 362 day | 4.73 Rearth | — | 216 K | Q1-Q8 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 704.2 day | 4.16 Rearth | — | 185 K | Kipping et al. 2014 |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 705.0 day | — | — | — | Q1-Q17 DR25 Supplemental KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 705.0 day | 4.53 Rearth | — | 178 K | Q1-Q12 KOI Table |
| 2014 | Transit | Kepler | 0.95 m Kepler Telescope | 705.0 day | 4.53 Rearth | — | 178 K | Q1-Q16 KOI Table |