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TOI-4156 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-4156 b

Confirmed exoplanet · Neptune Like

TOI-4156 b

Orbiting TOI-4156

Discovered in 2026 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of TOI-4156 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 2.538238 R⊕
Mass: 6.98 M⊕
Orbit: 4.46189 days
Distance: 213.719 pc

Planet profile

Orbit and physical properties

Orbital period: 4.46189 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 2.538238 Earth radii
Mass: 6.98 Earth masses
Mass provenance: M-R relationship
Density: 2.35 g/cm³
Equilibrium temperature: 1,289 K
Insolation: 459.495 Earth flux

Host system

Star and system properties

Host star: TOI-4156
Stars in system: 1
Known planets in system: 2
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,971.64 K
Stellar radius: 1.03963 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 213.719 parsecs
Right ascension: 15h23m07.40s
Declination: +76d19m54.77s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-05
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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