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HD 99492 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 99492 c

Confirmed exoplanet · Neptune Like

HD 99492 c

Orbiting HD 99492

Discovered in 2023 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 HD 99492 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 4.42 R⊕
Mass: 17.9 M⊕
Orbit: 95.233 days
Distance: 18.2038 pc

Planet profile

Orbit and physical properties

Orbital period: 95.233 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: 0.063
Radius: 4.42 Earth radii
Mass: 17.9 Earth masses
Mass provenance: Msini
Density: 1.14 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: HD 99492
Stars in system: 2
Known planets in system: 2
Spectral type: K2 V
Stellar temperature: 4,929 K
Stellar radius: 0.822539 R☉
Stellar mass: 0.85 M☉
Stellar metallicity: 0.3 dex
Stellar age: 4.8 Gyr
Distance: 18.2038 parsecs
Right ascension: 11h26m45.52s
Declination: +03d00m25.68s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-10
Discovery locale: Ground
Facility: Roque de los Muchachos Observatory
Telescope: 3.58 m Telescopio Nazionale Galileo
Instrument: HARPS-N Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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