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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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TOI-1117 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1117 d

Confirmed exoplanet · Neptune Like

TOI-1117 d

Orbiting TOI-1117

Discovered in 2025 using Radial Velocity. 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-1117 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 3.27 R⊕
Mass: 10.71 M⊕
Orbit: 8.665 days
Distance: 167.598 pc

Planet profile

Orbit and physical properties

Orbital period: 8.665 days
Semi-major axis: 0.0817 AU
Eccentricity: 0
Radius: 3.27 Earth radii
Mass: 10.71 Earth masses
Mass provenance: Msini
Density: 1.68 g/cm³
Equilibrium temperature: 978 K
Insolation: 152 Earth flux

Host system

Star and system properties

Host star: TOI-1117
Stars in system: 1
Known planets in system: 3
Spectral type: G5 V
Stellar temperature: 5,635 K
Stellar radius: 1.05 R☉
Stellar mass: 0.97 M☉
Stellar metallicity: 0.136 dex
Stellar age: 4.42 Gyr
Distance: 167.598 parsecs
Right ascension: 18h14m24.49s
Declination: -66d25m11.91s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2025-08
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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