Mission: OCO-3

Credit: NASA

When did OCO-3 launch?

May 4, 2019

Where is OCO-3?

248 miles (400 km) above Earth

What does OCO-3 do?

The Orbiting Carbon Observatory-3 (OCO-3) mission is an instrument attached to the International Space Station. OCO-3 is a near replica of OCO-2 and measures carbon dioxide in our atmosphere. It measures carbon dioxide and helps us understand the relationship between plants and carbon dioxide.

Learn more about NASA’s OCO-3.