The question is hard to answer as is. For one thing, how small a thing do you call a moon? If, say, something the size of Baby Yoda orbited Jupiter, I wouldn’t call it a moon*. But something a kilometer across? Sure.
The other issue is that as objects get smaller they get fainter. Jupiter orbits the Sun 5 times farther than the Earth does, so at best we’re about 600 million kilometers from it, and at worst about 900 million. That’s far enough away that looking for objects in the kilometer size range gets pretty tough.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.