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Star Tracker Optical Head

One of Europa Clipper’s star tracker optical heads in a JPL clean room for testing in October 2021. After the spacecraft’s launch in October 2024, the star tracker will autonomously identify stars to determine Europa Clipper’s orientation in space. The device is essential for precisely pointing the spacecraft’s science instruments and communication antennas.
One of Europa Clipper’s star tracker optical heads in a JPL clean room for testing.
NASA/JPL-Caltech

One of Europa Clipper’s star tracker optical heads in a JPL clean room for testing in October 2021. After the spacecraft’s launch in October 2024, the star tracker will autonomously identify stars to determine Europa Clipper’s orientation in space. The device is essential for precisely pointing the spacecraft’s science instruments and communication antennas.