TIROS-M, also known as ITOS-1 was a weather satellite operated by the Environmental Science Services Administration (ESSA).

It was part of a series of satellites called ITOS, or improved TIROS.

[3][4] TIROS-M was launched on a Delta rocket on January 23, 1970.

The launch carried one other satellite, Australis-OSCAR 5.

This article about one or more spacecraft of the United States is a stub.