HD 20794 d
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- HD 20794
- Distance from Earth
- 6.0028 pc (≈ 19.6 light-years)
- NASA planet type
- Super Earth
- Radius (Earth = 1)
- 2.04
- Mass (Earth = 1)
- 2.98
- Orbital period
- 89.68 days
- Semi-major axis
- 0.3625 AU
- Eccentricity
- 0.077
- Equilibrium temperature
- 388 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,011
- Discovery facility
- La Silla Observatory
- Host spectral type
- G6 V
- Host temperature
- 5,368 K
- Host radius (Sun = 1)
- 0.93
- Host mass (Sun = 1)
- 0.79
- Host brightness
- 4.26 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 ↗
In everyday life
- Light from this object takes about 20 years to reach Earth — the light you see tonight left around AD 2006 (official distance ÷ speed of light).
- Its radius is about 2 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 89.7 Earth days — that is this planet's year.
Worked out from this object's official values.