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Kepler-1866 b

Kepler-1866 b is a hot large super-Earth orbiting a Sun-like star 3,186 ly away. A year there lasts 11.7 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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EarthKepler-1866 b
Gravity11.31 m/s²1.15× Earth estimated
Size2.08× Earthradius measured
Mass4.99× Earthestimated
Temperature≈ 561 °Cequilibrium temperature measured
Distance3,186 light-yearsfrom the Sun
Its star5,791 Ka Sun-like star
One year11.7 daystime to orbit its star
Discovered2021transit

What it would be like in Worldwalk imagined

Nobody has seen the surface of Kepler-1866 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 Kepler-1866 b

Similar worlds nearby

Kepler-277 b3,185 light-yearsKepler-277 c3,185 light-yearsKepler-1806 b3,190 light-yearsKepler-904 b3,190 light-yearsKepler-1471 c3,192 light-yearsKepler-293 b3,179 light-years

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.