Discovery
Transit
Host star K2-389 • 2.18 R⊕ • 8.58 d orbit
Records
3
archive rows
Discovery
—
Transit
Radius
2.18 R⊕
median non-null value
Mass
—
median non-null value
K2-389
932 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: 2.18 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-389 b
2.18 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 |
|---|---|---|---|---|---|---|---|---|
| 2022 | Transit | K2 | 0.95 m Kepler Telescope | 8.58 day | 2.18 Rearth | — | — | Christiansen et al. 2022 |
| 2022 | Transit | K2 | 0.95 m Kepler Telescope | 8.58 day | 2.12 Rearth | — | — | Zink et al. 2021 |
| 2022 | Transit | K2 | 0.95 m Kepler Telescope | 8.58 day | 2.33 Rearth | — | 932 K | Howard et al. 2025 |