Discovery
Transit
Host star K2-291 • 1.59 R⊕ • 2.23 d orbit
Records
4
archive rows
Discovery
—
Transit
Radius
1.59 R⊕
median non-null value
Mass
6.49 M⊕
median non-null value
K2-291
1240.5 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: 1.59 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-291 b
1.59 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
4
Refs
4
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 2.23 day | 1.59 Rearth | 6.49 Mearth | — | Kosiarek et al. 2019 |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 2.23 day | 1.50 Rearth | — | 1203 K | ExoFOP |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 2.23 day | 1.58 Rearth | 6.40 Mearth | — | Dai et al. 2019 |
| 2019 | Transit | K2 | 0.95 m Kepler Telescope | 2.23 day | 1.59 Rearth | 6.49 Mearth | 1278 K | Howard et al. 2025 |