NASA lost communication with its CAPSTONE CubeSat after successfully launching on June 28, 2022. The microwave oven-sized CubeSat weighing a mere 55 pounds is a pathfinder for Gateway, a Moon-orbiting outpost that is part of the Artemis program.

Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment, better

Source: Hot Hardware – We Have A Problem: NASA Scrambles To Fix CAPSTONE Probe Before It Reaches The Moon