Planet 4546b, located in the outer reaches of
the Ariadne Arm, is a category-3 ocean planet
smaller than Earth with a breathable
oxygen-nitrogen atmosphere and two moons.
Approximately 1,000 years ago, the Architects,
an advanced alien civilization, established
research outposts to study the
Kharaa Bacterium, a deadly pathogen
discovered on another, unknown planet.
When Kharaa broke out on 4546B, a quarantine
was enacted and enforced by the Architects
to prevent its spread. A quarantine platform
housed a large anti-ship laser cannon, which
destroyed ships coming to and fro.
References:
- Subnautica Fandom Wiki, subnautica.fandom.com/wiki/Planet_4546B.
GENERAL INFO
- Successors 1 post(s)
- Created On: Windows
- Game Version: 1.3.204.1
CHARACTERISTICS
- Radius: 4,200 km
- Sea Level: 215 m
- Surface Gravity: 8.0 m/s
- Rotational Period: N/A
- Escape Velocity: 8.20 km/s
- Mass: 2.11E+24kg
Atmosphere
- Height: 100 km
- Scale Height: 14 km
- Surface Air Density: 1.000 kg/m3
- Surface Temperature: 305 K
EQUIRECTANGULAR MAP

6 Comments
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17.1k Tallisar
I did not add the Quarantine Enforcement Platform @Lukezhaduke. Even if I did, there is virtually no way to able to make it function.
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15 Upvotes
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No effort was used in the making of this planet.
Do Note:
Both games, Subnautica and its sequel, state that the planet has considerably fewer islands. I decided to add more because I wanted to. I figured it had too little.
This planet and its system were created largely for the views of the two moons. I do not plan on polishing this or expanding the planet or system.
Feel free to do what you want with this, whether it is stealing it, revamping it, or whatever.