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HD 121504 b
Orbiting HD 121504, discovered in 2003 (7508) by La Silla Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 479.92 M⊕ |
| Orbital period | 63.33 Earth days (~0.2 Earth years) |
| Orbital eccentricity | 0.030 |
| Equilibrium temperature | Unknown |
Host star — HD 121504
| Temperature | 6027 K (5754 °C) |
| Radius | 1.07 R☉ |
| Mass | 1.62 M☉ |
Location
| Distance from Earth | 41.7 pc (~136 light-years) |
| Right ascension / Declination | 209.3199 / -56.0404 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.