KIC 10525077 b
Astrophysical Synthesis & Habitability Characterization
KIC 10525077 b is a confirmed sub-neptune exoplanet orbiting the star KIC 10525077, located approximately 4765.6 light-years (1461.15 parsecs) from the Solar System. First announced in 2015 by Kepler using the Transit detection technique (producing an estimated primary transit depth of 0.2492% across the stellar disk), this world measures 5.5 Earth radii (0.49 Jupiter radii) and has a measured mass of 25.9 Earth masses. Combining its mass and radius yields a mean bulk density of 0.86 g/cm³ (a low bulk density dominated by an extended hydrogen-helium gaseous envelope), a surface gravity of 0.86 g⊕ (8.43 m/s²), and an escape velocity of 24.3 km/s.
In its orbital architecture around KIC 10525077, KIC 10525077 b completes one full revolution every 854.083 Earth days (2.34Julian years).
☁️ Atmospheric Regime (Volatile / Gas Envelope): With a radius of 5.500 R⊕, KIC 10525077 b exceeds the empirical ~1.8–2.2 R⊕ Fulton radius valley threshold, indicating a substantial hydrogen-helium or supercritical volatile envelope without a conventional solid terrestrial surface.
The host star KIC 10525077 is classified as a stellar host with an effective photospheric temperature of 6,091 K, a radius of 1.01 R☉, a mass of 1.01 M☉, an estimated bolometric luminosity of 1.26 L☉. Stellar evolution modeling indicates a metallicity of [Fe/H] = -0.04 dex (near-solar heavy-element abundance). From Earth, KIC 10525077 shines at apparent V-band magnitude 15.592 (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 | KIC 10525077 |
| Spectral Type | Unclassified |
| Effective Temp (Teff) | 6,091 K |
| Stellar Radius | 1.0100 R☉ |
| Stellar Mass | 1.0100 M☉ |
| Bolometric Luminosity | 1.26 L☉ |
| Metallicity [Fe/H] | -0.040 dex |
| Stellar Age | — |
| Apparent Magnitude | V: 15.592 · G: 15.304 |
| System Architecture | 1 Star, 1 Planet |
🪐 Orbital & Physical Dynamics
| Semi-Major Axis (a) | — |
| Orbital Period | 854.083 days |
| Orbital Eccentricity (e) | Circular (0.00) |
| Orbital Inclination (i) | 89.8610° |
| Mean Bulk Density | 0.86 g/cm³ (24.3 km/s vesc) |
| Insolation Flux | — |
| Habitable Zone Status | Exterior / Non-HZ |
| Celestial Distance | 4765.600 LY (1461.150 pc) |