Norad ID: 15427
| Spacetrack Directory Name | NOAA 9 |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | USA (US) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
| WWW | Here |
| Categories | |
| Perigee | 829 km |
| Apogee | 849 km |
NOAA-9, also known as NOAA-F, was an American weather satellite operated by the National Oceanic and Atmospheric Administration (NOAA). It was part of a series of satellites called Advanced TIROS-N, being the second of the series. NOAA-9 was launched on an Atlas E rocket on December 12, 1984 from Vandenberg Air Force Base, California, United States.
The last contact occurred on February 13, 1998. In late 1999 a transmitter on 137.5 MHz started working again, sending an unmodulated carrier. It seems to transmit while the satellite is in sunlight.