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TOI-122 b

TOI-122 b is a hot large super-Earth orbiting a red dwarf star 202.6 ly away. A year there lasts 5.1 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-122 b
Gravity10.41 m/s²1.06× Earth estimated
Size2.72× Earthradius measured
Mass7.85× Earthestimated
Temperature≈ 198 °Cequilibrium temperature measured
Distance203 light-yearsfrom the Sun
Its star3,403 Ka red dwarf
One year5.1 daystime to orbit its star
Discovered2020transit

What it would be like in Worldwalk imagined

Nobody has seen the surface of TOI-122 b. The game builds it from the real numbers above: you land on bare, cratered rock with no air.

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-122 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.