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Kepler-1661 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-1661 b

Confirmed exoplanet · Neptune Like

Kepler-1661 b

Orbiting Kepler-1661

Discovered in 2020 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 Kepler-1661 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 3.87 R⊕
Mass: 17 M⊕
Orbit: 175.06 days
Distance: 410.607 pc

Planet profile

Orbit and physical properties

Orbital period: 175.06 days
Semi-major axis: 0.633 AU
Eccentricity: 0.057
Radius: 3.87 Earth radii
Mass: 17 Earth masses
Mass provenance: Mass
Density: 1.6 g/cm³
Equilibrium temperature: 243 K
Insolation: 0.88 Earth flux

Host system

Star and system properties

Host star: Kepler-1661
Stars in system: 2
Known planets in system: 1
Spectral type: K
Stellar temperature: 5,100 K
Stellar radius: 0.762 R☉
Stellar mass: 0.841 M☉
Stellar metallicity: -0.12 dex
Stellar age: 2 Gyr
Distance: 410.607 parsecs
Right ascension: 19h00m40.10s
Declination: +41d58m00.98s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2020-03
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

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