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HD 221420 b
Orbiting HD 221420, discovered in 2019 (7524) by Anglo-Australian Telescope via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 7278.27 M⊕ |
| Orbital period | 10090.00 Earth days (~27.6 Earth years) |
| Orbital eccentricity | 0.140 |
| Equilibrium temperature | Unknown |
Host star — HD 221420
| Temperature | 5847 K (5574 °C) |
| Radius | 1.95 R☉ |
| Mass | 1.35 M☉ |
Location
| Distance from Earth | 31.1 pc (~102 light-years) |
| Right ascension / Declination | 353.3319 / -77.3853 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.