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TOI-251 b

TOI-251 b is a scorching large super-Earth orbiting a Sun-like star 324.6 ly away. A year there lasts 4.9 days. It was found using the transit method: it dims its star as it passes in front. Planets this size may be wrapped in thick gas; the game imagines it as a solid or water world you can walk on. Note: its mass is estimated from its size.

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EarthTOI-251 b
Gravity10.39 m/s²1.06× Earth estimated
Size2.74× Earthradius measured
Mass7.95× Earthestimated
Temperature≈ 768 °Cequilibrium temperature measured
Distance325 light-yearsfrom the Sun
Its star5,875 Ka Sun-like star
One year4.9 daystime to orbit its star
Discovered2021transit

What it would be like in Worldwalk imagined

Nobody has seen the surface of TOI-251 b. The game builds it from the real numbers above: you land on a molten surface of lava seas.

Pack the right suit. Choose 3 of 6 modules (cooling, heating, pressure hull, extra oxygen, radiation shield, jetpack), complete 3 surveys and get back to the lander before your oxygen runs out.

Play TOI-251 b

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Sizes, masses, temperatures and orbits come from the NASA Exoplanet Archive (Planetary Systems Composite table). Values marked estimated are calculated from the other measurements; the surface and air are imagined for the game.