HD 204313, una stella G5 V, ha 3 pianeti confermati.
Misurato
Distanza
circa 156 anni luce
Tipo spettrale della stella
G5 V
Pianeti confermati
3
Distanza dal Sole
Informazioni 156 anni luce. Per attraversarlo:
Luce156 anni
Velocità della Voyager 12.77 milioni di anni
In movimento a 100 km/h1.68 miliardi di anni
Voyager 1 alla velocità con cui si è allontanata nell'anno fino al 2026-10-25 (JPL Horizons). In auto: senza sosta, senza mai fare rifornimento.
Come è stato scoperto
Primo pianeta scoperto nel 2010 con la velocità radiale (NASA Exoplanet Archive).
I suoi pianeti
HD 204313 c — 4.3 times Earth's width (estimated from its mass, not measured), Neptune-sized; its year lasts 35 days; about 360 °C, hotter than boiling water; found in 2015 by radial velocity.
HD 204313 e — 12 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 20 Earth years; about −170 °C, below freezing; found in 2022 by radial velocity.
HD 204313 b — 13 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 6 Earth years; about −110 °C, below freezing; found in 2010 by radial velocity.
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.