WORLDWALKGJ 806 b
GJ 806 b is a hot super-Earth orbiting a red dwarf star 39.3 ly away. A year there lasts 22 hours. It was found using the transit method: it dims its star as it passes in front.
▶ Land on GJ 806 bFree · plays in your browser
Gravity10.54 m/s²1.07× Earth measured
Size1.33× Earthradius measured
Mass1.9× Earthmeasured
Temperature≈ 667 °Cequilibrium temperature measured
Distance39.3 light-yearsfrom the Sun
Its star3,600 Ka red dwarf
One year22.3 hourstime to orbit its star
Discovered2023transit
What it would be like in Worldwalk imagined
Nobody has seen the surface of GJ 806 b. The game builds it from the real numbers above: you land on glowing iron-rich lava fields.
- Air: rock vapor · a guess. Surface pressure: 0.002 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.
Play GJ 806 bOther planets around GJ 806
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Gliese 12 b39.8 light-yearsTRAPPIST-1 b40.5 light-yearsTRAPPIST-1 c40.5 light-yearsTRAPPIST-1 d40.5 light-yearsTRAPPIST-1 e40.5 light-yearsTRAPPIST-1 f40.5 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.