Star with a known planet

Kepler-1897

Kepler-1897 has one confirmed planet.

Measured

Distance
about 3,207 light-years
Confirmed planets
1

How far, from the Sun

About 3,210 light-years. To cross it:

  • Light3,210 years
  • Voyager 1's speed57 million years
  • Driving at 100 km/h34.6 billion years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

How it was found

  • First planet found in 2021, by transit (NASA Exoplanet Archive).

Its planets

  • Kepler-1897 b — 2.8 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 24 days; about 230 °C, hotter than boiling water; found in 2021 by transit.

The NASA Exoplanet Archive's page

Where this comes from

  • 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.

Every catalogue Ouranos draws is credited on the credits page.