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HR 858 b
Orbiting HR 858, discovered in 2019 (7524) by Transiting Exoplanet Survey Satellite (TESS) via the Transit method.
Planet
| Radius | 2.00 R⊕ |
| Mass | 3.55 M⊕ |
| Orbital period | 3.59 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.000 |
| Equilibrium temperature | 1552 K (1279 °C) |
Host star — HR 858
| Temperature | 6354 K (6081 °C) |
| Radius | 1.26 R☉ |
| Mass | 1.20 M☉ |
Location
| Distance from Earth | 32.0 pc (~104 light-years) |
| Right ascension / Declination | 42.9850 / -30.8141 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.