Traduit par IA (Opus 5.5) à partir de la fiche anglaise. Les nombres, noms et sources sont inchangés.

Étoile avec 5 planètes connues

Kepler-82

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Kepler-82, une étoile de type G, possède 5 planètes confirmées.

Mesuré

Distance: environ 2,950 années-lumière
Type spectral de l'étoile: G
Planètes confirmées: 5

Distance au Soleil

À propos 2,950 années-lumière. Pour la traverser :

Lumière2,950 ans
Vitesse de Voyager 152.4 millions d’années
Roule à 100 km/h31.8 milliards d'années

Voyager 1 à la vitesse à laquelle elle s'est éloignée au cours de l'année jusqu'à 2026-10-25 (JPL Horizons). En voiture : sans arrêt, sans jamais refaire le plein.

Méthode de découverte

Première planète découverte en 2012, par transit et variations du temps de transit (NASA Exoplanet Archive).

Ses planètes

Kepler-82 e — 2.5 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 6 days; about 650 °C, hotter than boiling water; found in 2014 by transit.
Kepler-82 f — 4.8 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 76 days; about 150 °C, hotter than boiling water; found in 2019 by transit timing variations.
Kepler-82 c — 5.3 times Earth's width, Neptune-sized; its year lasts 52 days; about 180 °C, hotter than boiling water; found in 2012 by transit.
Kepler-82 d — 1.8 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 2 days; about 980 °C, hotter than boiling water; found in 2014 by transit.
Kepler-82 b — 4.1 times Earth's width, Neptune-sized; its year lasts 26 days; about 290 °C, hotter than boiling water; found in 2012 by transit.

The NASA Exoplanet Archive's page

Source

NASA Exoplanet Archive, Planetary Systems Composite Parameters (fetched 2026-11-02). Composite values: where a planet's size or mass was not measured, the archive estimates it from the other.
This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.

Chaque catalogue utilisé par Ouranos est cité dans la page des crédits.

Distance au Soleil

À propos 2,950 années-lumière. Pour la traverser :

Lumière2,950 ans

Vitesse de Voyager 152.4 millions d’années

Roule à 100 km/h31.8 milliards d'années

Voyager 1 à la vitesse à laquelle elle s'est éloignée au cours de l'année jusqu'à 2026-10-25 (JPL Horizons). En voiture : sans arrêt, sans jamais refaire le plein.

Ses planètes

Kepler-82 e — 2.5 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 6 days; about 650 °C, hotter than boiling water; found in 2014 by transit.

Kepler-82 f — 4.8 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 76 days; about 150 °C, hotter than boiling water; found in 2019 by transit timing variations.

Kepler-82 c — 5.3 times Earth's width, Neptune-sized; its year lasts 52 days; about 180 °C, hotter than boiling water; found in 2012 by transit.

Kepler-82 d — 1.8 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 2 days; about 980 °C, hotter than boiling water; found in 2014 by transit.

Kepler-82 b — 4.1 times Earth's width, Neptune-sized; its year lasts 26 days; about 290 °C, hotter than boiling water; found in 2012 by transit.

Source

NASA Exoplanet Archive, Planetary Systems Composite Parameters (fetched 2026-11-02). Composite values: where a planet's size or mass was not measured, the archive estimates it from the other.

This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.