An astronaut on board of the ISS filmed three UFOs from the space station viewport on the 21nd of February 2019.
These 3 objects passed the international space station in a straight line. When we zoom in on these objects they seem to triangular in form. One seem to change into a butterfly formation. What’s important is that these object flew by the international space station in a matter of seconds.
The mathematical possibility that 3 pieces of space debris fly by the ISS in a straight line and appear very similar is close to zero.