Discovery Method
Transit
Consistent across records
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ExoplanetDetail
K2-100 b
Host star K2-100 • 3.88 R⊕ • 1.67 d orbit
Records
12
archive rows
Discovery
2016
Transit
Radius
3.88 R⊕
default parameter set
Mass
21.80 M⊕
default parameter set
K2-100
1841 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: Barragán et al. 2019
Host Star
K2-100
Stable across source rows
Discovery Year
2016
Stable across source rows
Orbital Period
1.67 day
1.67 to 1.67
Semi-Major Axis
0.03 au
0.03 to 0.04
Radius
3.88 Rearth
1.52 to 4.67
Mass
21.80 Mearth
8 to 21.80
Density
2.04 g/cm**3
0.90 to 2.04
Equilibrium Temperature
1841 K
1094 to 1841
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 3.88 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-100 b
3.88 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
12
Refs
12
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.59 Rearth | — | 1748 K | Livingston et al. 2018 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.45 Rearth | — | 1094 K | Stefansson et al. 2018 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | — | — | — | Pope et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.60 Rearth | — | — | Petigura et al. 2018 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.88 Rearth | 21.80 Mearth | 1841 K | Barragán et al. 2019 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | — | — | — | Barros et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 1.52 Rearth | — | — | Kruse et al. 2019 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 4.67 Rearth | — | — | Libralato et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.50 Rearth | — | — | Mann et al. 2017 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.57 Rearth | 8 Mearth | 1720 K | Howard et al. 2025 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | 3.44 Rearth | — | 1461 K | ExoFOP |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.67 day | — | — | — | Rizzuto et al. 2017 |