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HD 187123 b
Orbiting HD 187123, discovered in 1998 (7503) by W. M. Keck Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 166.22 M⊕ |
| Orbital period | 3.10 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.010 |
| Equilibrium temperature | Unknown |
Host star — HD 187123
| Temperature | 5790 K (5517 °C) |
| Radius | 1.15 R☉ |
| Mass | 1.04 M☉ |
Location
| Distance from Earth | 46.0 pc (~150 light-years) |
| Right ascension / Declination | 296.7429 / 34.4190 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.