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 2025, par imagerie (NASA Exoplanet Archive).
Ses planètes
WISPIT 2 b — 18 times Earth's width, a giant, Jupiter-sized or more; about −240 °C, below freezing; found in 2025 by imaging.
WISPIT 2 c — 18 times Earth's width, a giant, Jupiter-sized or more; about 1,800 °C, hot enough to melt rock; found in 2026 by imaging.
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.