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Kepler-661 b
Orbiting Kepler-661, discovered in 2016 (7521) by Kepler via the Transit method.
Planet
| Radius | 3.07 R⊕ |
| Mass | Unknown |
| Orbital period | 6.03 Earth days (~0.0 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | Unknown |
Host star — Kepler-661
| Temperature | 4483 K (4210 °C) |
| Radius | 0.67 R☉ |
| Mass | 0.70 M☉ |
Location
| Distance from Earth | 534.8 pc (~1744 light-years) |
| Right ascension / Declination | 283.7107 / 47.8632 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.