In spaceflight, collision avoidance is the process of preventing a spacecraft from colliding with any other vehicle or object.

Contents

• 1 Launch Windows
• 2 On Orbit Avoidance
• 3 References
• 4 See also

Launch Windows

Collision avoidance, or COLA is a concern during spaceflight launch windows. A launch window is said to have a "COLA blackout period" during intervals when the vehicle cannot lift off to ensure its trajectory does not take it too close to another object already in space.