The Riscot system was an inhabited star system located near the Kwejian system.
In 3190, Starfleet's initial mathematical models indicated that the massive anomaly that destroyed Kwejian would enter the Riscot system next. In response, Federation President Laira Rillak ordered the immediate evacuation of the system. However, the anomaly unexpectedly changed direction shortly after. (DIS: "Anomaly (DIS)")