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Rosharan System

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Rosharan System
Starchart roshar color.jpg
by Isaac Stewart
Shards Honor, Cultivation, Odium
Notable Planet(s) Ashyn, Roshar, Braize
Universe Cosmere
Featured In The Stormlight Archive
This page or section contains spoilers for Arcanum Unbounded!
This information has the ability to potentially ruin elements of the plot for the reader. Proceed with caution if you have not read this book.

The Rosharan System, also known as Greater Roshar, is the name given to the planetary system containing the Shardworld called Roshar.[1] It comprises thirteen planets, three of which are inhabited, as well as the usual asteroid belt. Also three moons for a total of sixteen orbital bodies. Sixteen is an important number in the Cosmere. [2]


This is where The Silence Divine is set. While there are humans inhabiting this planet, a global cataclysm at some point in the past has forced most of its inhabitants to live in floating cities in the sky. There is a known manifestation of Investiture on Ashyn, but no known Shard.[3]
The second planet is the eponymous Shardworld of Greater Roshar. The Shards of Honor and Cultivation can be found here. Roshar features a single supercontinent, also called Roshar, on which its inhabitants live. This is the primary setting of the Stormlight Archive. Three moons, Salas, Nomon, and Mishim, orbit the planet.
This is a cold planet, perhaps outside the habitable zone, and is located before the asteroid belt. While no humans live here, there do exist self-aware Splinters on the planet.[4] Braize is where the Shard of Odium resides.[5]

Beyond the asteroid belt are ten gas giants. These outer planets, which are designated by Vorin numerals, are Jes, Nan, Chach, Vev, Palah, Shash, Betab, Kak, Tanat, and Ishi, in order of increasing distance from the sun.[2] The Rosharan gas giants have a minor presence on Shadesmar, which indicates that they are uninhabited. None of these planets have moons or ring systems.[2]


  1. Q&A at Spokane Barnes & Noble
    17th Shard forums - 09 August 2013
  2. a b c Map of Roshar system
  3. This is a world that does not currently have a shard.
    Theoryland - Mar 22nd, 2014
  4. Arcanum Unbounded - The Rosharan System
  5. Q&A at Spokane B&N
    17th Shard forums - 2013-08
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