Caleuche
HD 164604 b
IAU name «Caleuche» — Chile, 2019 contest
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- HD 164604
- Distance from Earth
- 39.3633 pc (≈ 128.4 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 12.3
- Mass (Earth = 1)
- 4,195.335
- Orbital period
- 653.9 days
- Semi-major axis
- 1.362 AU
- Eccentricity
- 0.479
- Equilibrium temperature
- 170.16 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,009
- Discovery facility
- Las Campanas Observatory
- Host spectral type
- K3.5 V
- Host temperature
- 4,663 K
- Host radius (Sun = 1)
- 0.78
- Host mass (Sun = 1)
- 0.77
- Host brightness
- 9.62 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 128 years to reach Earth — the light you see tonight left around AD 1898 (official distance ÷ speed of light).
- Its radius is about 12 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 653.9 Earth days (about 1.8 years) — that is this planet's year.
Worked out from this object's official values.