description Kepler-1649 Overview
Kepler-1649 is an M-type red dwarf star located roughly 300 light-years from Earth in the direction of the constellation Cygnus. The star is notable for hosting Kepler-1649c, an Earth-sized exoplanet that orbits within the star's habitable zone. This system gained attention in 2020 when researchers analyzing archived data from the Kepler Space Telescope realized the planet had been previously overlooked by the mission's automated algorithms. The confirmation of Kepler-1649c provided a valuable data point for understanding temperate, rocky worlds orbiting red dwarfs.
help Kepler-1649 FAQ
Why was Kepler-1649c missed in the original Kepler analysis?
An automated review initially classified its transit signal as a false positive. Researchers later reexamined rejected Kepler signals and reported the planet in 2020.
Is Kepler-1649c actually habitable?
The planet is roughly Earth-sized and receives a broadly comparable amount of energy from its red-dwarf host, placing it in the star's habitable zone. That does not prove it has liquid water, because its atmosphere and surface conditions remain unknown.
How long is a year on Kepler-1649c?
Kepler-1649c completes an orbit in about 19.5 Earth days because it circles much closer to its cool red-dwarf star than Earth circles the Sun. Close-in habitable zones are typical around small, faint stars.
How far away is the Kepler-1649 system?
Kepler-1649 is approximately 300 light-years from Earth. That distance makes direct surface or atmospheric characterization difficult with present observing methods.
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