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Planet Cooler 403
Planet Cooler 403
Featured in Dragon Ball Z: The Forgotten
Pronunciation plan-it koo-ler fawr huhn-drid three
Parent star type K-type main-sequence
Orbital characteristics
Orbital period 547.3 d
Satellites 2
Satellite names Dantoo, Ine
Physical characteristics
Equatorial radius 6743.2 km
Polar radius 6720.7 km
Surface area 88.6% land
11.4% water
Mass 8.2183×1025 kg
13.76 M
Equatorial surface gravity 120.6261 m/s2
12.3 g
Axial tilt 4.37°
Surface temperature
Minimum -34.9 °C
Mean 15.3 °C
Maximum 52.7 °C
Composition 78.43% nitrogen (N2)
20.11% oxygen (O2)
0.64% neon
0.42% helium
0.21% fluorine
0.19% trace elements
Sentient Species Unnamed natives, Planet Trade Organization members
Sentient species 1 population 0
Sentient species 2 population 674
Number of major cities 13 (natives), 4 (resettlement)
Technology level Tier 6 (natives), Tier 2 (resettlement)

Planet Cooler 403 is a Planet Trade Organization-controlled world. It is in Lord Cooler's territory.


Planet Cooler 403 was a great plains land. The vast majority of the world was covered in one great, expansive grassland. There was only one continent and a few small inland oceans. The planet was quite hilly and mostly without trees. The planet was notoriously windy. It was personally cleared by Captain Banas to be put on the galactic market.

In Dragon Ball Z: The Forgotten, Banas and the rest of The Plantains took Ledas to this planet in order to test out of his power. Meloon almost killed the boy, forcing Payar to perform field surgery on the poor Saiyan. While this was going on, Banas picked up some power level spikes and flew to the other side of the planet to check them out. They turned out to be Planet Trade Organization rebels who were looking to recruit Banas. The good Captain swiftly killed them and then gathered up the rest of The Plantains and left the planet.

Afterwards, the planet was turned into a farming world and refueling station.

Notable facts[]

  • This planet was influenced by the appearance of Dantooine in the video game, Star Wars: Knights of the Old Republic.
  • It is not explained in The Forgotten why Banas cleared this planet without the help of his team. Perhaps it was a punishment given to him by Guva.
  • The army who lives on this planet also took part in a few conflicts of the Planet Trade Organization civil war. They killed many PTO loyalists in that war.


  • Planet Cooler 403's native population:
    • At height: 1,954,285,403.
    • At lowest point: 0.
  • Planet Cooler 403's Planet Trade Organization population:
    • At height: 674.
    • At lowest point: 0.


Planet Cooler 403 is still around.

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Cooler's Empire: The Stomping GroundsLoru QirCooler's SepulcherFaeriUotoLeqiiPlanet Cooler 029Planet Cooler 054MujabiCtaediXiiJwe-Iko-PokTablorhe VornoAtjohViziriSobrenMirocusCyrenPeregariPlanet Cooler 403Rig Installation 063
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King Cold's Empire: ArcoseThekar
Icer's Empire: LipantoPlanet Icer 005
Haimaru's Empire: Melirion
Corvos League: Dhennon XiPerneki Minor
Universe 1: Sovam
Universe 2: KelapuAban
Universe 4: CheppugalhaySrinthanat
Universe 9: CheppugalhayNadua
Universe 11: KelapuJettalam
Universe 12: SovamVanukauKheriedu