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HIP 4845 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HIP 4845 b

Confirmed exoplanet · Neptune Like

HIP 4845 b

Orbiting HIP 4845

Discovered in 2020 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 HIP 4845 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Radial Velocity
Radius: 3.89 R⊕
Mass: 14.4 M⊕
Orbit: 34.15 days
Distance: 21.0974 pc

Planet profile

Orbit and physical properties

Orbital period: 34.15 days
Semi-major axis: 0.176 AU
Eccentricity: 0.25
Radius: 3.89 Earth radii
Mass: 14.4 Earth masses
Mass provenance: Msini
Density: 1.34 g/cm³
Equilibrium temperature: 358.21 K
Insolation: 2.9859 Earth flux

Host system

Star and system properties

Host star: HIP 4845
Stars in system: 1
Known planets in system: 1
Spectral type: K7V
Stellar temperature: 4,010 K
Stellar radius: 0.603999 R☉
Stellar mass: 0.62 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 21.0974 parsecs
Right ascension: 01h02m21.16s
Declination: -10d25m28.63s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,020
Publication date: 2020-10
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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