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HAT-P-66 b
Orbiting HAT-P-66, discovered in 2016 (7521) by HATNet via the Transit method.
Planet
| Radius | 17.82 R⊕ |
| Mass | 248.86 M⊕ |
| Orbital period | 2.97 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.090 |
| Equilibrium temperature | 1896 K (1623 °C) |
Host star — HAT-P-66
| Temperature | 6002 K (5729 °C) |
| Radius | 1.88 R☉ |
| Mass | 1.25 M☉ |
Location
| Distance from Earth | 935.5 pc (~3051 light-years) |
| Right ascension / Declination | 150.5726 / 53.9508 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.