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55 Cnc b
Orbiting 55 Cnc, discovered in 1996 (7501) by Lick Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 276.00 M⊕ |
| Orbital period | 14.65 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.003 |
| Equilibrium temperature | Unknown |
Host star — 55 Cnc
| Temperature | 5198 K (4925 °C) |
| Radius | 0.98 R☉ |
| Mass | 1.01 M☉ |
Location
| Distance from Earth | 12.6 pc (~41 light-years) |
| Right ascension / Declination | 133.1468 / 28.3298 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.