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Kepler-1661 b
Orbiting Kepler-1661, discovered in 2020 (7525) by Kepler via the Transit method.
Planet
| Radius | 3.87 R⊕ |
| Mass | 17.00 M⊕ |
| Orbital period | 175.06 Earth days (~0.5 Earth years) |
| Orbital eccentricity | 0.057 |
| Equilibrium temperature | 243 K (-30 °C) |
Host star — Kepler-1661
| Temperature | 5100 K (4827 °C) |
| Radius | 0.76 R☉ |
| Mass | 0.84 M☉ |
Location
| Distance from Earth | 410.6 pc (~1339 light-years) |
| Right ascension / Declination | 285.1671 / 41.9669 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.