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TOI-277 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-277 b

Confirmed exoplanet · Neptune Like

TOI-277 b

Orbiting TOI-277

Discovered in 2022 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-277 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Transit
Radius: 2.65 R⊕
Mass: 7.51 M⊕
Orbit: 3.994 days
Distance: 64.6692 pc

Planet profile

Orbit and physical properties

Orbital period: 3.994 days
Semi-major axis: 0.0269 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 2.65 Earth radii
Mass: 7.51 Earth masses
Mass provenance: M-R relationship
Density: 2.22 g/cm³
Equilibrium temperature: 587.92 K
Insolation: 28.236 Earth flux

Host system

Star and system properties

Host star: TOI-277
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,031 K
Stellar radius: 0.362 R☉
Stellar mass: 0.16 M☉
Stellar metallicity: -0.01 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 64.6692 parsecs
Right ascension: 01h16m18.41s
Declination: -20d57m11.80s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,022
Publication date: 2023-02
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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