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XO-1 b
Orbiting XO-1, discovered in 2006 (7511) by XO via the Transit method.
Planet
| Radius | 12.78 R⊕ |
| Mass | 263.80 M⊕ |
| Orbital period | 3.94 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.000 |
| Equilibrium temperature | Unknown |
Host star — XO-1
| Temperature | 5750 K (5477 °C) |
| Radius | 0.88 R☉ |
| Mass | 0.88 M☉ |
Location
| Distance from Earth | 163.6 pc (~533 light-years) |
| Right ascension / Declination | 240.5493 / 28.1696 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.