TOI-3082 b
Astrophysical Synthesis & Habitability Characterization
TOI-3082 b is a confirmed sub-neptune exoplanet orbiting the star TOI-3082, located approximately 368.7 light-years (113.05 parsecs) from the Solar System. First announced in 2023 by Transiting Exoplanet Survey Satellite (TESS) using the Transit detection technique (producing an estimated primary transit depth of 0.2404% across the stellar disk), this world measures 3.662 Earth radii (0.33 Jupiter radii) and has a measured mass of 13 Earth masses. Combining its mass and radius yields a mean bulk density of 1.46 g/cm³ (a low bulk density dominated by an extended hydrogen-helium gaseous envelope), a surface gravity of 0.97 g⊕ (9.51 m/s²), and an escape velocity of 21.1 km/s.
In its orbital architecture around TOI-3082, TOI-3082 b completes one full revolution every 1.927 Earth days.
⚠️ Thermal Regime (Irradiated / Hot Zone): At an equilibrium temperature of 1033 K (+760°C / +1400°F) and receiving 131.65 S⊕ (~179,173 W/m²), TOI-3082 b orbits interior to the runaway greenhouse boundary where surface liquid water cannot persist.
The host star TOI-3082 is classified as a stellar host with an effective photospheric temperature of 4,263 K, a radius of 0.6847 R☉, a mass of 0.664 M☉, an estimated bolometric luminosity of 0.139 L☉. Stellar evolution modeling indicates a metallicity of [Fe/H] = 0.17 dex (metal-rich relative to the Sun). From Earth, TOI-3082 shines at apparent V-band magnitude 12.934 (faint and requiring research-grade or CCD telescopic photometry) in the Southern 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: Transiting Exoplanet Survey Satellite (TESS) · Catalogue Source: NASA Exoplanet Archive (IPAC / Caltech).
☀️ Host Star Telemetry
| Host Star Name | TOI-3082 |
| Spectral Type | Unclassified |
| Effective Temp (Teff) | 4,263 K |
| Stellar Radius | 0.6847 R☉ |
| Stellar Mass | 0.6640 M☉ |
| Bolometric Luminosity | 0.139 L☉ |
| Metallicity [Fe/H] | 0.170 dex |
| Stellar Age | — |
| Apparent Magnitude | V: 12.934 · G: 12.531 |
| System Architecture | 1 Star, 1 Planet |
🪐 Orbital & Physical Dynamics
| Semi-Major Axis (a) | — |
| Orbital Period | 1.927 days |
| Orbital Eccentricity (e) | Circular (0.00) |
| Orbital Inclination (i) | 87.6300° |
| Mean Bulk Density | 1.46 g/cm³ (21.1 km/s vesc) |
| Insolation Flux | 131.6480 S⊕ (~179,173 W/m²) |
| Habitable Zone Status | Exterior / Non-HZ |
| Celestial Distance | 368.700 LY (113.048 pc) |