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 2016 con il transito (NASA Exoplanet Archive).
I suoi pianeti
Kepler-647 b — 1.2 times Earth's width, about Earth-sized — probably rocky; its year lasts 16 days; about 520 °C, hotter than boiling water; found in 2016 by transit.
Kepler-647 c — 4 times Earth's width, Neptune-sized; its year lasts 30 days; about 370 °C, hotter than boiling water; found in 2020 by transit.
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.