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For the original planet, see Arid (Old).

Type Icon Calidor.png Arid Planet
Size Large
Difficulty Medium
Day/Night Cycle 13.5 Minutes

Calidor is an Arid Planet in Astroneer.

It is a dry, sun-blasted planet with a normal atmosphere and desertic terrain, with sloping sand dunes and frequent mesas, buttes and canyons, and desert-themed foliage such as cacti and shrubs. The planet has a slightly longer day/night cycle than Sylva, the Terran planet. Malachite can be found in abundance in the upper underground caves, and within the narrow surface canyons to a lesser extent. Wolframite can also be found deep within the planet, and trace amounts of Laterite are not uncommon. Additionally, single pieces of Hematite can commonly be found in wrecks on Calidor.

Wide and gently sloping canyon-like cavern entrances can be found on the surface of the planet, providing easier underground access than on some other planets. Research Items are easily found on Calidor, ranging in value from 750 Bytes to 5900 Bytes, while Research Samples underground can yield as much as 200 Bytes.

Resources[edit | edit source]


Icon Compound.png Compound
Icon Resin.png Resin
Icon Organic.png Organic
Icon Clay.png Clay
Icon Graphite.png Graphite
Icon Quartz.png Quartz
Icon Laterite.png Laterite
Icon Ammonium.png Ammonium
Icon Astronium.png Astronium


Icon Malachite.png Malachite


Icon Wolframite.png Wolframite


Icon Hydrogen.png Hydrogen: 50 ppu
Icon Sulfur.png Sulfur: 100 ppu


  • Very high sun
  • Low wind

Gateway Network[edit | edit source]

AstroWiki Warning.svg Spoiler Warning: Information below contains information that may ruin your enjoyment of discovering the game's secrets for yourself. Proceed at your own risk.

Calidor has six Gateway Chambers, each requiring 12U/s of power for 30 seconds to be activated. At least one must be activated before the player can access the Gateway Engine in the core of the planet.

Once a Gateway Chamber has been activated, the Gateway Engine opens in the core. Placing a single Icon Explosive Powder.png Explosive Powder in one of the slots reveals the Geometric Triptych. Placing the Geometric Triptych in the slot on the opposite side (above you) will activate the engine, revealing the Odd Stone and allowing teleportation to the core as well as revealing the inactive node for the Gateway Portal if it has not yet been discovered.

Media[edit | edit source]