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tau Boo b
Orbiting tau Boo, discovered in 1996 (7501) by Lick Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 1373.03 M⊕ |
| Orbital period | 3.31 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.011 |
| Equilibrium temperature | Unknown |
Host star — tau Boo
| Temperature | 6466 K (6193 °C) |
| Radius | 1.43 R☉ |
| Mass | 1.32 M☉ |
Location
| Distance from Earth | 15.7 pc (~51 light-years) |
| Right ascension / Declination | 206.8135 / 17.4572 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.