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HAT-P-31 b
Orbiting HAT-P-31, discovered in 2011 (7516) by HATNet via the Transit method.
Planet
| Radius | 12.22 R⊕ |
| Mass | 721.47 M⊕ |
| Orbital period | 5.01 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.250 |
| Equilibrium temperature | Unknown |
Host star — HAT-P-31
| Temperature | 6065 K (5792 °C) |
| Radius | 1.39 R☉ |
| Mass | 1.31 M☉ |
Location
| Distance from Earth | 344.1 pc (~1122 light-years) |
| Right ascension / Declination | 271.5377 / 26.4266 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.