Discovery
Transit
Host star K2-138 • 3.10 R⊕ • 41.97 d orbit
Records
3
archive rows
Discovery
—
Transit
Radius
3.10 R⊕
median non-null value
Mass
3.44 M⊕
median non-null value
K2-138
445 K equilibrium
Quick Summary
This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.
Scale Comparison
Current adopted radius: 3.10 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-138 g
3.10 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
3
Refs
3
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2021 | Transit | K2 | 0.95 m Kepler Telescope | 41.97 day | — | 2.56 Mearth | — | Vivien et al. 2024 |
| 2021 | Transit | K2 | 0.95 m Kepler Telescope | 41.97 day | 3.18 Rearth | — | 445 K | Hardegree-Ullman et al. 2021 |
| 2021 | Transit | K2 | 0.95 m Kepler Telescope | 41.97 day | 3.01 Rearth | 4.32 Mearth | — | Lopez et al. 2019 |