Tylos
WASP-121 b
IAU name «Tylos» — Bahrain, 2022 contest
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- WASP-121
- Distance from Earth
- 269.898 pc (≈ 880.3 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 19.526
- Mass (Earth = 1)
- 371.8592
- Orbital period
- 1.2749 days
- Semi-major axis
- 0.02571 AU
- Eccentricity
- 0.0085
- Equilibrium temperature
- 2,409 K
- Discovery method
- Transit
- Discovery year
- 2,016
- Discovery facility
- SuperWASP
- Host spectral type
- F6 V
- Host temperature
- 6,628 K
- Host radius (Sun = 1)
- 1.461
- Host mass (Sun = 1)
- 1.33
- Host brightness
- 10.514 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 880 years to reach Earth — the light you see tonight left around AD 1146 (official distance ÷ speed of light).
- Its radius is about 20 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 1.3 Earth days — that is this planet's year.
Worked out from this object's official values.