← Back to Exoplanet Archive
HD 177830 b
Orbiting HD 177830, discovered in 1999 (7504) by W. M. Keck Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 537.13 M⊕ |
| Orbital period | 410.10 Earth days (~1.1 Earth years) |
| Orbital eccentricity | 0.100 |
| Equilibrium temperature | Unknown |
Host star — HD 177830
| Temperature | 4901 K (4628 °C) |
| Radius | 3.26 R☉ |
| Mass | 1.70 M☉ |
Location
| Distance from Earth | 62.8 pc (~205 light-years) |
| Right ascension / Declination | 286.3364 / 25.9204 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.