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HD 180902 b
Orbiting HD 180902, discovered in 2009 (7514) by W. M. Keck Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 535.54 M⊕ |
| Orbital period | 510.90 Earth days (~1.4 Earth years) |
| Orbital eccentricity | 0.107 |
| Equilibrium temperature | Unknown |
Host star — HD 180902
| Temperature | 4961 K (4688 °C) |
| Radius | 4.16 R☉ |
| Mass | 1.41 M☉ |
Location
| Distance from Earth | 104.6 pc (~341 light-years) |
| Right ascension / Declination | 289.8240 / -23.5582 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.