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GJ 414 A b

GJ 414 A b is a temperate water-rich world orbiting an orange star 38.8 ly away. Its star system has 2 stars. A year there lasts 50.8 days. It was found using the radial velocity method: it makes its star wobble. 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 size is estimated from its mass, only a minimum mass is known.

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EarthGJ 414 A b
Gravity10.78 m/s²1.1× Earth estimated
Size2.63× Earthradius estimated
Mass7.6× Earthmeasured
Temperature≈ 36 °Cequilibrium temperature measured
Distance38.8 light-yearsfrom the Sun
Its star4,120 Kan orange dwarf, in a system of 2 stars
One year50.8 daystime to orbit its star
Discovered2021radial velocity

What it would be like in Worldwalk imagined

Nobody has seen the surface of GJ 414 A b. The game builds it from the real numbers above: you land on a deep global ocean with rocky islands.

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 414 A 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.