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HD 219134 b

HD 219134 b is a scorching large super-Earth orbiting an orange star 21.3 ly away. A year there lasts 3.1 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.

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EarthHD 219134 b
Gravity18.16 m/s²1.85× Earth measured
Size1.6× Earthradius measured
Mass4.74× Earthmeasured
Temperature≈ 742 °Cequilibrium temperature measured
Distance21.3 light-yearsfrom the Sun
Its star4,699 Kan orange dwarf
One year3.1 daystime to orbit its star
Discovered2015radial velocity

What it would be like in Worldwalk imagined

Nobody has seen the surface of HD 219134 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 HD 219134 b

Other planets around HD 219134

HD 219134 c1.91× EarthHD 219134 d1.24× EarthHD 219134 f1.32× EarthHD 219134 g1.01× Earth

Similar worlds nearby

GJ 338 B b20.7 light-yearsGJ 581 c20.5 light-yearsHN Lib b20.4 light-yearsGl 725 B c22.3 light-yearsHD 20794 d19.6 light-yearsHD 20794 e19.6 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.