TOI-791

Measured

Distance

about 1,113 light-years

Star's spectral type

F7

Confirmed planets

2

How far, from the Sun

About 1,110 light-years. To cross it:

• Light1,110 years
• Voyager 1's speed19.8 million years
• Driving at 100 km/h12 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 2026, by transit (NASA Exoplanet Archive).

Its planets

• TOI-791 c — 13 times Earth's width, a giant, Jupiter-sized or more; its year lasts 230 days; about 90 °C, between freezing and boiling; found in 2026 by transit.
• TOI-791 b — 11 times Earth's width, a giant, Jupiter-sized or more; its year lasts 140 days; about 160 °C, hotter than boiling water; found in 2026 by transit.

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.