Kepler-1695 b
Astrophysical Synthesis & Habitability Characterization
Kepler-1695 b is a confirmed terrestrial exoplanet orbiting the star Kepler-1695, located approximately 2580.5 light-years (791.18 parsecs) from the Solar System. First announced in 2020 by Kepler using the Transit detection technique (producing an estimated primary transit depth of 0.0108% across the stellar disk), this world measures 1.119 Earth radii and has a measured mass of 1.46 Earth masses. Combining its mass and radius yields a mean bulk density of 5.75 g/cm³ (a terrestrial silicate-iron composition comparable to Earth (5.51 g/cm³)), a surface gravity of 1.17 g⊕ (11.47 m/s²), and an escape velocity of 12.8 km/s.
In its orbital architecture around Kepler-1695, Kepler-1695 b completes one full revolution every 4.733 Earth days at a semi-major axis of 0.0529 AU (orbiting interior to Mercury's 0.387 AU benchmark in the Solar System). Its mean orbital velocity is approximately 121.6 km/s (compared to Earth's 29.8 km/s). The orbit is modeled as circular (e = 0.00), maintaining a constant stellar distance throughout its year.
⚠️ Thermal Regime (Irradiated / Hot Zone): At an equilibrium temperature of 957 K (+684°C / +1263°F) and receiving 198.57 S⊕ (~270,254 W/m²), Kepler-1695 b orbits interior to the runaway greenhouse boundary where surface liquid water cannot persist.
The host star Kepler-1695 is classified as a stellar host with an effective photospheric temperature of 5,473 K, a radius of 0.9872 R☉, a mass of 0.96 M☉, an estimated bolometric luminosity of 0.785 L☉. Stellar evolution modeling indicates an estimated stellar age of 0.5 Gyr and a metallicity of [Fe/H] = -0.035 dex (near-solar heavy-element abundance). From Earth, Kepler-1695 shines at apparent V-band magnitude 14.762 (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-1695 |
| Spectral Type | Unclassified |
| Effective Temp (Teff) | 5,473 K |
| Stellar Radius | 0.9872 R☉ |
| Stellar Mass | 0.9600 M☉ |
| Bolometric Luminosity | 0.785 L☉ |
| Metallicity [Fe/H] | -0.035 dex |
| Stellar Age | 0.500 Gyr |
| Apparent Magnitude | V: 14.762 · G: 14.623 |
| System Architecture | 1 Star, 1 Planet |
🪐 Orbital & Physical Dynamics
| Semi-Major Axis (a) | 0.052900 AU |
| Orbital Period | 4.733 days |
| Mean Orbital Velocity | 121.6 km/s |
| Orbital Eccentricity (e) | 0.00000 |
| Orbital Inclination (i) | 89.6700° |
| Mean Bulk Density | 5.75 g/cm³ (12.8 km/s vesc) |
| Insolation Flux | 198.5700 S⊕ (~270,254 W/m²) |
| Habitable Zone Status | Exterior / Non-HZ |
| Celestial Distance | 2580.500 LY (791.175 pc) |