Bagan
HD 18742 b
IAU name «Bagan» — Myanmar, 2019 contest
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- HD 18742
- Distance from Earth
- 162.685 pc (≈ 530.6 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 13.1
- Mass (Earth = 1)
- 1,080.622
- Orbital period
- 766 days
- Semi-major axis
- 1.82 AU
- Eccentricity
- 0.04
- Equilibrium temperature
- 399.93 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,011
- Discovery facility
- W. M. Keck Observatory
- Host spectral type
- G8/K0 IV
- Host temperature
- 4,940 K
- Host radius (Sun = 1)
- 5.13
- Host mass (Sun = 1)
- 1.36
- Host brightness
- 7.81 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 531 years to reach Earth — the light you see tonight left around AD 1495 (official distance ÷ speed of light).
- Its radius is about 13 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 766 Earth days (about 2.1 years) — that is this planet's year.
Worked out from this object's official values.