Discovery
Transit
Host star K2-21 • 1.70 R⊕ • 9.32 d orbit
Records
5
archive rows
Discovery
—
Transit
Radius
1.70 R⊕
median non-null value
Mass
—
median non-null value
K2-21
500 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: 1.70 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-21 b
1.70 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
5
Refs
5
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 9.32 day | 1.25 Rearth | — | — | Crossfield et al. 2016 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 9.33 day | 1.89 Rearth | — | — | Vanderburg et al. 2016 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 9.33 day | 1.84 Rearth | — | — | Dressing et al. 2017 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 9.32 day | 1.70 Rearth | — | — | Kruse et al. 2019 |
| 2015 | Transit | K2 | 0.95 m Kepler Telescope | 9.32 day | 1.59 Rearth | — | 500 K | Petigura et al. 2015 |