🙋 I saw this too

SOL 2461: UAP on Mars? 7/2019 3 Images From Curiosity's Right Navcam Appear To Capture Something Moving In An Arc Across The SkyMars · Jul 9, 2019

Did you see the same thing — or something like it — at the same time? Add your own account. Several independent witnesses is the strongest evidence a sighting can have.