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HD 12661 b
Orbiting HD 12661, discovered in 2000 (7505) by Multiple Observatories via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 772.33 M⊕ |
| Orbital period | 262.71 Earth days (~0.7 Earth years) |
| Orbital eccentricity | 0.380 |
| Equilibrium temperature | Unknown |
Host star — HD 12661
| Temperature | 5645 K (5372 °C) |
| Radius | 1.20 R☉ |
| Mass | 1.20 M☉ |
Location
| Distance from Earth | 37.8 pc (~123 light-years) |
| Right ascension / Declination | 31.1424 / 25.4136 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.