← Back to Exoplanet Archive
HD 28109 b
Orbiting HD 28109, discovered in 2022 (7527) by Transiting Exoplanet Survey Satellite (TESS) via the Transit method.
Planet
| Radius | 2.69 R⊕ |
| Mass | 6.20 M⊕ |
| Orbital period | 22.89 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.007 |
| Equilibrium temperature | 867 K (594 °C) |
Host star — HD 28109
| Temperature | 6189 K (5916 °C) |
| Radius | 1.43 R☉ |
| Mass | 1.23 M☉ |
Location
| Distance from Earth | 139.6 pc (~455 light-years) |
| Right ascension / Declination | 65.2383 / -68.1027 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.