Astroneer Wiki

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Astroneer Wiki

The starting planet Sylva.

Planets are astronomical bodies in Astroneer that the player may travel to, explore and construct bases on. Moons exist as well, but they share the same characteristics as planets, and are treated as such.

There are currently five planets, with two moons. These are, starting from the one closest to the Sun, Icon Atrox.png Atrox, Icon Calidor.png Calidor, Icon Sylva.png Sylva, Icon Vesania.png Vesania, and Icon Glacio.png Glacio. The moons, Icon Desolo.png Desolo and Icon Novus.png Novus, orbit Sylva and Vesania, respectively.

Planets are procedurally generated upon creation of a new save, each having unique characteristics, with different types of Flora, Biomes, and Resources. Planets share the same universal resources, while all but Atrox have a Primary and a Secondary resource, which each exists on only two planets. Atrox is unique in having four atmospheric resources, with one being unique to the planet, while Desolo, having no atmosphere, has no atmospheric resources. Research Items and Samples are also different per planet, with different colors, amounts of bytes, and research times.

Planets also have unique size, gravity, length of the day/night cycle, and power generation, with some planets being better for solar power, and others for wind power.

Each planet has the same basic layout of five main layers: the surface, caves, mantle, outer core and inner core. Due to the generation of terrain, some caves can stretch from the surface to the outer core on certain planets, as well as some layers blending together without much distinction, such as on Desolo.


Planet Type Primary Secondary Gases Difficulty Sun Wind Gateway Symbol Gateway Engine Material
Icon Sylva.png Sylva Terran Sphalerite Malachite Hydrogen
Easy Medium Medium
Icon Gateway Sylva.png
Icon Desolo.png Desolo Terran Moon Wolframite Sphalerite None Easy High Low
Icon Gateway Desolo.png
Icon Calidor.png Calidor Arid Malachite Wolframite Hydrogen
Medium Very High Low
Icon Gateway Calidor.png
Explosive Powder
Icon Vesania.png Vesania Exotic Lithium Titanite Hydrogen
Medium Low High
Icon Gateway Vesania.png
Icon Novus.png Novus Exotic Moon Hematite Lithium Hydrogen
Medium High High
Icon Gateway Novus.png
Icon Glacio.png Glacio Tundra Titanite Hematite Argon Hard Very Low Very High
Icon Gateway Glacio.png
Icon Atrox.png Atrox Radiated None None Helium
Very Hard Low Low
Icon Gateway Atrox.png
  • Primary resources are found between the first underground layer and the mantle of the planet. Secondary resources are found in mountainous biomes on the surface and the layers under the mantle to the outer core.

Planet Types[]

The Planets in Astroneer each have a type associated with them. Each type has varying differences, from the amount of sun to the types of resources that it may contain.

Type Description Planet
Icon Sylva.png Terran Typical lush, Earth-like planet, with plains, mountains, forested hills and gray-blue canyons. Icon Sylva.png Sylva
Icon Desolo.png Terran Moon Marked with craters, big and small. The occasional slightly raised mountains spaced between the gray landscape. Icon Desolo.png Desolo
Icon Calidor.png Arid Dry and dusty dunes, plantlife typical of a desert. Mesas and flat plains mixed in with the dunes. Icon Calidor.png Calidor
Icon Vesania.png Exotic Densely forested hills, heavy abundance of plantlife. Icon Vesania.png Vesania
Icon Novus.png Exotic Moon Sparsely forested, with canyons and craters marking the surface. Icon Novus.png Novus
Icon Glacio.png Tundra Cold and icy, with small hot spots of life, surrounded with tall glaciers, with steep drops to the icy plains below. Icon Glacio.png Glacio
Icon Atrox.png Radiated Toxic wastelands, with deep yellow canyons and tall, swiss cheese-like mountains. Abundance of hazardous plantlife and lacking any primary or secondary resources. Icon Atrox.png Atrox

Landing Zones[]

Landing zones are locations on each planet that a player may land on using a Shuttle. Landing zones are marked with either a sphere or a cylinder when viewed in orbit around the planet, depending on if it is natural or from a Landing Pad, allowing the player to select the zone to land in that location.

Spherical landing zones appear naturally at the start of the game, while cylindrical landing zones come from Landing Pads. In multiplayer, a passenger is also able to select a landing zone to land on, not only the person in the main seat. Some landing zones may also spawn very close to gateway chambers.


  • Planets have a very high terrain build limit, allowing players to create bases far above the surface. However, flight, both in Creative Mode and from Solid-Fuel Jump Jet or Hydrazine Jet Pack, will not operate until the player is below a certain height, just above the cloud layer. Above this layer, players should be careful, as there is no gravity when far enough from the planet's surface, where items could be lost and the player could die from suffocation. The moons operate differently than the planets, and allow you to build all the way to other planets (ex. Desolo to Glacio), although it is highly advised to use a rover equipped with a thruster instead, due to the aforementioned hazards.


  • Parallels could be drawn between the characteristics of some planets and planets within the Solar System. Sylva and Desolo are similar to the Earth and the Moon respectively, Atrox has an atmosphere similar to that of Venus, Calidor is similar to Mars. Glacio could be based on the fact that Uranus and Neptune both have icy cores, or one of their frozen moons, such as Neptune's Triton, or dwarf planet Pluto. Vesania and Novus could be loosely based on Jupiter or Saturn's moons.