Kepler-14 b
Astrophysical Synthesis & Habitability Characterization
Kepler-14 b is a confirmed gas giant exoplanet orbiting the star Kepler-14, located approximately 2602.7 light-years (798 parsecs) from the Solar System. First announced in 2011 by Kepler using the Transit detection technique (producing an estimated primary transit depth of 0.3249% across the stellar disk), this world measures 12.733 Earth radii (1.14 Jupiter radii) and has a measured mass of 2669.66 Earth masses (8.4 Jupiter masses). Combining its mass and radius yields a mean bulk density of 7.13 g/cm³ (an iron-enriched, high-compression rocky core), a surface gravity of 16.47 g⊕ (161.52 m/s²), and an escape velocity of 162 km/s.
In its orbital architecture around Kepler-14, Kepler-14 b completes one full revolution every 6.79 Earth days at a semi-major axis of 0.0771 AU (orbiting interior to Mercury's 0.387 AU benchmark in the Solar System). Its mean orbital velocity is approximately 123.5 km/s (compared to Earth's 29.8 km/s). With a near-circular eccentricity of e = 0.035 (ranging from 0.0744 AU at periapsis to 0.0798 AU at apoapsis), the planet experiences minimal orbital distance variation.
⚠️ Thermal Regime (Irradiated / Hot Zone): At an equilibrium temperature of 1605 K (+1332°C / +2430°F) and receiving 1,029.51 S⊕ (~1,401,163 W/m²), Kepler-14 b orbits interior to the runaway greenhouse boundary where surface liquid water cannot persist.
The host star Kepler-14 is classified as a stellar host with an effective photospheric temperature of 6,395 K, a radius of 2.048 R☉, a mass of 1.512 M☉, an estimated bolometric luminosity of 6.294 L☉. Stellar evolution modeling indicates an estimated stellar age of 2.2 Gyr and a metallicity of [Fe/H] = 0.12 dex (metal-rich relative to the Sun). From Earth, Kepler-14 shines at apparent V-band magnitude 12.003 (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: Kepler · Catalogue Source: NASA Exoplanet Archive (IPAC / Caltech).
☀️ Host Star Telemetry
| Host Star Name | Kepler-14 |
| Spectral Type | Unclassified |
| Effective Temp (Teff) | 6,395 K |
| Stellar Radius | 2.0480 R☉ |
| Stellar Mass | 1.5120 M☉ |
| Bolometric Luminosity | 6.294 L☉ |
| Metallicity [Fe/H] | 0.120 dex |
| Stellar Age | 2.200 Gyr |
| Apparent Magnitude | V: 12.003 |
| System Architecture | 2 Stars, 1 Planet |
🪐 Orbital & Physical Dynamics
| Semi-Major Axis (a) | 0.077100 AU |
| Orbital Period | 6.79 days |
| Mean Orbital Velocity | 123.5 km/s |
| Orbital Eccentricity (e) | 0.03500 |
| Orbital Inclination (i) | 90.0000° |
| Mean Bulk Density | 7.13 g/cm³ (162 km/s vesc) |
| Insolation Flux | 1029.5100 S⊕ (~1,401,163 W/m²) |
| Habitable Zone Status | Exterior / Non-HZ |
| Celestial Distance | 2602.700 LY (798.000 pc) |