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Grissom System


Mass Effect Universe


Milky Way


Outer Rim


Armstrong Nebula

The Grissom System is a planetary system with 3 notable planets in orbit around a single sun and two asteroid belts. The second asteroid belt contains a rocky asteroid composed of mixed metals and silicates with a radius of 54 km. This asteroid was surveyed by Commander Shepard's team, where they discovered a rare, albeit small deposit of element polonium in 2183.

Celestial Body Orbits Edit

    • Grissom IIa
    • Possible other moons
  • Asteroid Belt

  • Asteroid Belt


  • The Grissom System is named after Virgil Ivan "Gus" Grissom, an American astronaut who was the second American in space as well as one of the first astronauts to die due to tragedy, during the Apollo I mission.

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