1991-082A
Block 5D-2 S-12 (DMSP 22546, USA 73) was launched on 1991 Nov 28 from Vandenberg, becoming mission F-11. This time the Atlas and Star 37S worked well and DMSP entered an 840 x 858 km orbit. The satellite operated until 1995.
| DMSP 22546 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1991 Nov 28 | 1323 | Launch by Atlas E | V SLC3W |
| 1325 | T+2:04 Booster sep | ||
| 1325 | T+2:24 Fairing sep | ||
| 1328 | T+5:21 SECO | ||
| 1328 | Atlas sep | ||
| 1333 | T+10:27 Star 37S burn 43.4s | ||
| 1334? | Star 37S burnout | ||
| 1334? | T+11:43? Orbit trim | ||
| 1945? | 101.91 840 x 858 x 98.92 | ||
| 1993 Aug | Still operational | ||
| 1994 Sep 2 | 101.95 842 x 859 x 98.92 | ||
Payload:
- OLS Operational linescan system
- SSI/ES2 Ionospheric/scintillation monitor S/N 001
- SSJ/4 Precipitating electron/ion spectrometer
- SSM/T-1 Microwave temperature sounder (Aerojet); Atmos. temperature profile
- SSM/T-2 Microwave temperature sounder (Aerojet); Specific and relative humidity, vertical moisture profile
- SSM/I Microwave imager
- SSB/X2 XR spectrometer
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