Koga is an impact crater on Mars, approximately 19 kilometers in diameter.

[1][2] According to a surface age map of Mars based on US Geological Survey data, the area around Koga is from the Noachian epoch, which places the area's age at 3.8 to 3.5 billion years ago.

[3] Sharp blocks and cliffs poke through a mantle of fine material located at the bottom of the crater.

[4] At the deepest part of the crater, it is about 5,200 meters in elevation above zero altitude, and its rim averages about 6,400 meters above zero altitude.

This article about an impact crater on Mars or its moons is a stub.