Onasilos
HD 168746 b
IAU name «Onasilos» — Cyprus, 2019 contest
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- HD 168746
- Distance from Earth
- 41.5681 pc (≈ 135.6 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 11.1
- Mass (Earth = 1)
- 85.8141
- Orbital period
- 6.404 days
- Semi-major axis
- 0.07 AU
- Eccentricity
- 0.11
- Equilibrium temperature
- 900 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,002
- Discovery facility
- La Silla Observatory
- Host spectral type
- G5
- Host temperature
- 5,570 K
- Host radius (Sun = 1)
- 1.09
- Host mass (Sun = 1)
- 1.07
- Host brightness
- 7.95 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 136 years to reach Earth — the light you see tonight left around AD 1890 (official distance ÷ speed of light).
- Its radius is about 11 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 6.4 Earth days — that is this planet's year.
Worked out from this object's official values.