LTT 1445 A, an M3.0 star, has 2 confirmed planets.
Measured
Distance
about 22.4 light-years
Star's spectral type
M3.0
Confirmed planets
2
How far, from the Sun
About 22.4 light-years. To cross it:
Light22.4 years
Voyager 1's speed398,000 years
Driving at 100 km/h242 million 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 2019, by transit (NASA Exoplanet Archive).
Its planets
LTT 1445 A b — 1.3 times Earth's width, about Earth-sized — probably rocky; its year lasts 5 days; about 160 °C, hotter than boiling water; found in 2019 by transit.
LTT 1445 A c — 1.2 times Earth's width, about Earth-sized — probably rocky; its year lasts 3 days; about 240 °C, hotter than boiling water; found in 2022 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.