Discovery
Transit
Host star K2-18 • 2.33 R⊕ • 32.94 d orbit
Records
11
archive rows
Discovery
—
Transit
Radius
2.33 R⊕
median non-null value
Mass
8.29 M⊕
median non-null value
K2-18
266.2 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: 2.33 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-18 b
2.33 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
11
Refs
11
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.46 Rearth | 7.20 Mearth | 281 K | Howard et al. 2025 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.95 day | 2.17 Rearth | — | — | Vanderburg et al. 2016 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.93 day | — | — | — | Barros et al. 2016 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.28 Rearth | — | — | Crossfield et al. 2016 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.24 Rearth | — | 272 K | Montet et al. 2015 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 1.40 Rearth | — | — | Kruse et al. 2019 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.28 Rearth | — | — | Benneke et al. 2017 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.61 Rearth | 8.63 Mearth | 254.9 K | Benneke et al. 2019 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.37 Rearth | 8.92 Mearth | 284 K | Sarkis et al. 2018 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.38 Rearth | 7.96 Mearth | 235 K | Cloutier et al. 2017 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 32.94 day | 2.53 Rearth | — | 260.4 K | ExoFOP |