WORLDWALKK2-3 c
K2-3 c is a warm super-Earth orbiting a red dwarf star 143.7 ly away. A year there lasts 24.7 days. It was found using the transit method: it dims its star as it passes in front.
▶ Land on K2-3 cFree · plays in your browser
Gravity10.53 m/s²1.07× Earth measured
Size1.58× Earthradius measured
Mass2.68× Earthmeasured
Temperature≈ 99 °Cequilibrium temperature measured
Distance144 light-yearsfrom the Sun
Its star3,844 Ka red dwarf
One year24.6 daystime to orbit its star
Discovered2015transit
What it would be like in Worldwalk imagined
Nobody has seen the surface of K2-3 c. The game builds it from the real numbers above: you land on dry, dusty desert rock.
- Air: thin CO₂ (carbon dioxide), N₂ (nitrogen) · a guess. Surface pressure: 0.7 bar.
- A 70 kg explorer would feel like 75 kg.
- A jump that clears 50 cm on Earth would reach about 47 cm.
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.
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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.