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

Étoile avec 6 planètes connues

HD 10180

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HD 10180, une étoile G1 V, possède 6 planètes confirmées.

Mesuré

Distance: environ 127 années-lumière
Type spectral de l'étoile: G1 V
Planètes confirmées: 6

Distance au Soleil

À propos 127 années-lumière. Pour la traverser :

Lumière127 ans
Vitesse de Voyager 12.26 millions d’années
Roule à 100 km/h1.37 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.

Faits

HD 10180 g a une température d'équilibre comprise entre −50 et +50 °C.

Méthode de découverte

Première planète découverte en 2010, par vitesse radiale (NASA Exoplanet Archive).

Ses planètes

HD 10180 h — 9.4 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts about 6 Earth years; about −110 °C, below freezing; found in 2010 by radial velocity.
HD 10180 d — about 3,300 times Earth's mass; its year lasts 16 days; about 560 °C, hotter than boiling water; found in 2010 by radial velocity.
HD 10180 f — 5.2 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 120 days; about 160 °C, hotter than boiling water; found in 2010 by radial velocity.
HD 10180 e — 5.4 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 50 days; about 310 °C, hotter than boiling water; found in 2010 by radial velocity.
HD 10180 g — about 3,400 times Earth's mass; its year lasts 600 days; about −22 °C, below freezing; found in 2010 by radial velocity.
HD 10180 c — about 2,700 times Earth's mass; its year lasts 6 days; about 910 °C, hotter than boiling water; found in 2010 by radial velocity.

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 127 années-lumière. Pour la traverser :

Lumière127 ans

Vitesse de Voyager 12.26 millions d’années

Roule à 100 km/h1.37 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

HD 10180 h — 9.4 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts about 6 Earth years; about −110 °C, below freezing; found in 2010 by radial velocity.

HD 10180 d — about 3,300 times Earth's mass; its year lasts 16 days; about 560 °C, hotter than boiling water; found in 2010 by radial velocity.

HD 10180 f — 5.2 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 120 days; about 160 °C, hotter than boiling water; found in 2010 by radial velocity.

HD 10180 e — 5.4 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 50 days; about 310 °C, hotter than boiling water; found in 2010 by radial velocity.

HD 10180 g — about 3,400 times Earth's mass; its year lasts 600 days; about −22 °C, below freezing; found in 2010 by radial velocity.

HD 10180 c — about 2,700 times Earth's mass; its year lasts 6 days; about 910 °C, hotter than boiling water; found in 2010 by radial velocity.

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.