WASP-150 b
Astrophysical Synthesis & Habitability Characterization
WASP-150 b is a confirmed gas giant exoplanet orbiting the star WASP-150, located approximately 1722.1 light-years (528 parsecs) from the Solar System. First announced in 2020 by SuperWASP-North using the Transit detection technique (producing an estimated primary transit depth of 0.4436% across the stellar disk), this world measures 11.994 Earth radii (1.07 Jupiter radii) and has a measured mass of 2688.842 Earth masses (8.46 Jupiter masses). Combining its mass and radius yields a mean bulk density of 8.59 g/cm³ (an iron-enriched, high-compression rocky core), a surface gravity of 18.69 g⊕ (183.29 m/s²), and an escape velocity of 167.5 km/s.
In its orbital architecture around WASP-150, WASP-150 b completes one full revolution every 5.644 Earth days at a semi-major axis of 0.0694 AU (orbiting interior to Mercury's 0.387 AU benchmark in the Solar System). Its mean orbital velocity is approximately 133.8 km/s (compared to Earth's 29.8 km/s). The planet follows a highly eccentric trajectory (e = 0.3775, swinging from 0.0432 AU at periapsis out to 0.0956 AU at apoapsis), pointing to past dynamical scattering or secular gravitational perturbations.
⚠️ Thermal Regime (Irradiated / Hot Zone): At an equilibrium temperature of 1460 K (+1187°C / +2169°F) and receiving 854.71 S⊕ (~1,163,257 W/m²), WASP-150 b orbits interior to the runaway greenhouse boundary where surface liquid water cannot persist.
The host star WASP-150 is classified as a warm F-type star of spectral type F8 with an effective photospheric temperature of 6,218 K, a radius of 1.651 R☉, a mass of 1.394 M☉, an estimated bolometric luminosity of 3.656 L☉. Stellar evolution modeling indicates an estimated stellar age of 2.95 Gyr and a metallicity of [Fe/H] = 0.156 dex (metal-rich relative to the Sun). From Earth, WASP-150 shines at apparent V-band magnitude 12.026 (faint and requiring research-grade or CCD telescopic photometry) in the Northern celestial hemisphere.
Methodology: Computed using the Schulze-Makuch et al. (2011) weighted metric comparing physical interior (radius, estimated density) and surface thermal regime (escape velocity, equilibrium temperature).
Discovery Facility: SuperWASP-North · Catalogue Source: NASA Exoplanet Archive (IPAC / Caltech).
☀️ Host Star Telemetry
| Host Star Name | WASP-150 |
| Spectral Type | F8 |
| Effective Temp (Teff) | 6,218 K |
| Stellar Radius | 1.6510 R☉ |
| Stellar Mass | 1.3940 M☉ |
| Bolometric Luminosity | 3.656 L☉ |
| Metallicity [Fe/H] | 0.156 dex |
| Stellar Age | 2.950 Gyr |
| Apparent Magnitude | V: 12.026 · G: 11.915 |
| System Architecture | 1 Star, 1 Planet |
🪐 Orbital & Physical Dynamics
| Semi-Major Axis (a) | 0.069400 AU |
| Orbital Period | 5.644 days |
| Mean Orbital Velocity | 133.8 km/s |
| Orbital Eccentricity (e) | 0.37750 |
| Orbital Inclination (i) | 84.0100° |
| Mean Bulk Density | 8.59 g/cm³ (167.5 km/s vesc) |
| Insolation Flux | 854.7074 S⊕ (~1,163,257 W/m²) |
| Habitable Zone Status | Exterior / Non-HZ |
| Celestial Distance | 1722.100 LY (527.995 pc) |