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EPIC 228836835 b

EPIC 228836835 b is a hot Earth-size planet orbiting a red dwarf star 489.6 ly away. A year there lasts 18 hours. It was found using the transit method: it dims its star as it passes in front. Note: its mass is estimated from its size.

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EarthEPIC 228836835 b
Gravity11.11 m/s²1.13× Earth estimated
Size1.1× Earthradius measured
Mass1.37× Earthestimated
Temperature≈ 659 °Cequilibrium temperature measured
Distance490 light-yearsfrom the Sun
Its star3,782 Ka red dwarf
One year17.5 hourstime to orbit its star
Discovered2021transit

What it would be like in Worldwalk imagined

Nobody has seen the surface of EPIC 228836835 b. The game builds it from the real numbers above: you land on glowing iron-rich lava fields.

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 EPIC 228836835 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.