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KELT-21 b
Orbiting KELT-21, discovered in 2018 (7523) by KELT-North via the Transit method.
Planet
| Radius | 17.78 R⊕ |
| Mass | 1242.72 M⊕ |
| Orbital period | 3.61 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.000 |
| Equilibrium temperature | 2051 K (1778 °C) |
Host star — KELT-21
| Temperature | 7598 K (7325 °C) |
| Radius | 1.64 R☉ |
| Mass | 1.46 M☉ |
Location
| Distance from Earth | 470.9 pc (~1536 light-years) |
| Right ascension / Declination | 304.8000 / 32.5810 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.