Discovery Method
Transit
Consistent across records
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ExoplanetDetail
K2-199 c
Host star K2-199 • 2.85 R⊕ • 7.37 d orbit
Records
8
archive rows
Discovery
2018
Transit
Radius
2.85 R⊕
default parameter set
Mass
12.40 M⊕
default parameter set
K2-199
694 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: Akana Murphy et al. 2021
Host Star
K2-199
Stable across source rows
Discovery Year
2018
Stable across source rows
Orbital Period
7.37 day
7.37 to 7.37
Semi-Major Axis
0.07 au
0.07 to 0.07
Radius
2.85 Rearth
2.45 to 3
Mass
12.40 Mearth
12.40 to 12.60
Density
2.90 g/cm**3
2.90 to 3.21
Equilibrium Temperature
694 K
639 to 694
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.85 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-199 c
2.85 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
8
Refs
8
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | 2.67 Rearth | 12.60 Mearth | 639 K | Howard et al. 2025 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | 2.78 Rearth | — | 653 K | Livingston et al. 2018 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | 2.85 Rearth | 12.40 Mearth | 694 K | Akana Murphy et al. 2021 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | 3 Rearth | — | — | Petigura et al. 2018 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | 2.84 Rearth | — | — | Mayo et al. 2018 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | — | — | — | Kokori et al. 2023 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | — | — | — | Pope et al. 2016 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 7.37 day | 2.45 Rearth | — | — | Kruse et al. 2019 |