Harriot
55 Cnc f
IAU name «Harriot» — Netherlands, 2015 contest
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- 55 Cnc
- Distance from Earth
- 12.5855 pc (≈ 41 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 7.59
- Mass (Earth = 1)
- 48.5
- Orbital period
- 260.58 days
- Semi-major axis
- 0.802 AU
- Eccentricity
- 0.063
- Equilibrium temperature
- 277.07 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,007
- Discovery facility
- Multiple Observatories
- Host spectral type
- G8 V
- Host temperature
- 5,198 K
- Host radius (Sun = 1)
- 0.98
- Host mass (Sun = 1)
- 1.015
- Host brightness
- 5.9508 mag
Source:NASA Exoplanet Archive (Caltech/IPAC) · checked 2026-11-02 ↗NASA Science · checked 2026-11-02 ↗NASA Exoplanet Archive (Caltech/IPAC) · checked 2026-11-02 ↗
Related
Host star
In everyday life
- Light from this object takes about 41 years to reach Earth — the light you see tonight left around AD 1985 (official distance ÷ speed of light).
- Its radius is about 7.6 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 260.6 Earth days — that is this planet's year.
Worked out from this object's official values.