3000 Mile Wide Disc Caught By ISS

Ok, this image was released by the Brasilia Planetarium recently and seems to show a massive disc shaped object stationed above the Earth. The disc is estimated to be around 35 thousand miles in diameter. If you look at the bottom left of the image you can see a cloud formation passing over the top of the anomaly, this indicates that the object is not a projection onto the earth. I have no idea what this object is, i can only speculate at this point. I have contacted the Planetarium for further clarificati