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TOI-178 g | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-178 g

Confirmed exoplanet · Neptune Like

TOI-178 g

Orbiting TOI-178

Discovered in 2021 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-178 g — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 2.939 R⊕
Mass: 4.4 M⊕
Orbit: 20.71663 days
Distance: 62.699 pc

Planet profile

Orbit and physical properties

Orbital period: 20.71663 days
Semi-major axis: 0.1275 AU
Eccentricity: 0.00043
Radius: 2.939 Earth radii
Mass: 4.4 Earth masses
Mass provenance: Mass
Density: 0.959369 g/cm³
Equilibrium temperature: 470 K
Insolation: 19.4978 Earth flux

Host system

Star and system properties

Host star: TOI-178
Stars in system: 1
Known planets in system: 6
Spectral type: K
Stellar temperature: 4,316 K
Stellar radius: 0.662 R☉
Stellar mass: 0.647 M☉
Stellar metallicity: -0.23 dex
Stellar age: 6 Gyr
Distance: 62.699 parsecs
Right ascension: 00h29m12.48s
Declination: -30d27m14.82s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2021-05
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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