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HD 87816 b | Exoplanets | Apex Andromeda | Apex Andromeda

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Planets/Exoplanets/HD 87816 b

Confirmed exoplanet · Gas Giant

HD 87816 b

Orbiting HD 87816

Discovered in 2025 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 87816 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,142.163463 M⊕
Orbit: 484.17 days
Distance: 133.233 pc

Planet profile

Orbit and physical properties

Orbital period: 484.17 days
Semi-major axis: 1.618 AU
Eccentricity: 0.78
Radius: 12.7 Earth radii
Mass: 2,142.163463 Earth masses
Mass provenance: Msini
Density: 5.75 g/cm³
Equilibrium temperature: 567.39 K
Insolation: 17.2656 Earth flux

Host system

Star and system properties

Host star: HD 87816
Stars in system: 1
Known planets in system: 2
Spectral type: K0 III
Stellar temperature: 4,989 K
Stellar radius: 9 R☉
Stellar mass: 2.41 M☉
Stellar metallicity: 0.14 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 133.233 parsecs
Right ascension: 10h06m07.12s
Declination: -52d11m16.32s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,025
Publication date: 2025-07
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 87816 b.

Generic gas giant catalog artwork; not a direct image of HD 87816 b — Apex Andromeda catalog artwork