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HD 171028 b
Orbiting HD 171028, discovered in 2007 (7512) by La Silla Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 832.71 M⊕ |
| Orbital period | 550.00 Earth days (~1.5 Earth years) |
| Orbital eccentricity | 0.590 |
| Equilibrium temperature | Unknown |
Host star — HD 171028
| Temperature | 5671 K (5398 °C) |
| Radius | 2.47 R☉ |
| Mass | 1.53 M☉ |
Location
| Distance from Earth | 111.7 pc (~364 light-years) |
| Right ascension / Declination | 278.0644 / 6.9457 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.