GJ 1148 b
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- GJ 1148
- Distance from Earth
- 11.0143 pc (≈ 35.9 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 11.9
- Mass (Earth = 1)
- 96.7
- Orbital period
- 41.38 days
- Semi-major axis
- 0.166 AU
- Eccentricity
- 0.38
- Equilibrium temperature
- 232.94 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,010
- Discovery facility
- W. M. Keck Observatory
- Host spectral type
- M5
- Host temperature
- 3,287 K
- Host radius (Sun = 1)
- 0.358519
- Host mass (Sun = 1)
- 0.344045
- Host brightness
- 11.939 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 36 years to reach Earth — the light you see tonight left around AD 1990 (official distance ÷ speed of light).
- Its radius is about 12 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 41.4 Earth days — that is this planet's year.
Worked out from this object's official values.