1988-089A
NOAA H (NOAA 11), the fourth ATN satellite, was launched at 1002 on 1988 Sep 24 from Vandenberg. Its initial orbit was 102.1 min, 848 x 866 km x 98.9 deg; elements on Sep 25 gave the orbit as 102.1 min, 850 x 865 km x 98.9 deg. This satellite did not carry the ERBE and SUV payloads, but added sunshades for the instrument platform to allow a nodal crossing nearer noon. It was in an 8am/8pm orbit.
Payload:
- AVHRR Advanced Very High Res Radiometer with optical and IR bands: 0.55-0.9,0.725-1.3,10.5-11.5,3.53-3.93 mu
- SEM Space Environment Monitor (EEPAT,HEPAT,POD,TED)
- DCS Data Collection System
- TOVS Tiros Operational Vertical Sounder (temperature and humidity measurements by imaging in narrow bands: 3.7, 4.3 (CO2), 9.7, 11.1, 7x 15 (CO2), 3x 18 (rotnl bands) mu. Includes HIRS/2, SSU (Stratospheric sounding unit), and MSU.
- APT APT on 136.77 MHz
- SAR COSPAS-SARSAT receiver
| NOAA 11 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1988 Sep 24 | 1002:00 | Launch by Atlas E | V |
| T+2:01 BECO | |||
| T+2:04 BPJ Booster Package Jettison | |||
| T+2:30 NFJ Nose Fairing Jettison | |||
| T+5:10 SECO | |||
| T+5:29 VECO | |||
| 1007:35 | T+5:35 Atlas sep | -2850? x 810? x 98.7 | |
| 1015:48 | T+13:48 Star 37 burn | ||
| 1016:32 | T+14:32 Star 37 burnout | ||
| T+14:37 RCS start | |||
| T+14:50 RCS stop | |||
| T+17min? Hydrazine blowdown | |||
| T+30min arrays and booms deployed | |||
| 1988 Nov 8 | Operational afternoon satellite | ||
| 1994 Sep 13 | AVHRR failed | ||
| 1995 Apr 10 | Placed on standby | ||
| 1995 Jun 7 | Replaced by NOAA 14 | ||
| 1997 May | Reactivated after NOAA 12 HIRS problem | ||
| 2002 Jun | Still partly active | ||
| 2004 Jun 16 | 1625 | end of ops | |
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