NOAA-15
Artist's impression of NOAA-15 in orbit
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| Mission type | Weather satellite |
|---|---|
| Operator | NOAA |
| COSPAR ID | 1998-030A |
| SATCAT no. | 25338 |
| Mission duration | 2 years |
| Spacecraft properties | |
| Spacecraft type | TIROS-N |
| Manufacturer | Lockheed Martin |
| Launch mass | 1,457 kilograms (3,212 lb) |
| Power | 830 watts |
| Start of mission | |
| Launch date | 13 May 1998, 15:52:04 UTC |
| Rocket | Titan II(23)G Star-37XFP-ISS |
| Launch site | Vandenberg SLC-4W |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Sun-synchronous |
| Semi-major axis | 7,184.62 kilometers (4,464.32 mi) |
| Eccentricity | 0.001007 |
| Perigee | 806 kilometers (501 mi) |
| Apogee | 820 kilometers (510 mi) |
| Inclination | 98.77 degrees |
| Period | 101.01 minutes |
| Epoch | 24 January 2015, 13:51:02 UTC |
NOAA-15 (designated NOAA-K before launch) is one of the NASA-provided TIROS series of weather forecasting satellite run by NOAA. It was launched on 13 May 1998, and is currently operational, in a sun-synchronous orbit, 807 km above the Earth, orbiting every 101 minutes. It hosts the AMSU-A and AMSU-B instruments, the AVHRR and High Resolution Infrared Radiation Sounder (HIRS/3) instruments, as well as a Space Environment Monitor (SEM/2).
APT transmission frequency is 137.62 MHz. Due to problems with the S-band transmitter high-gain antennas, NOAA-15 has been configured for High Resolution Picture Transmission using the S-Band Transmitter #2 (1702.5 MHz) omnidirectional antenna.
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