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Delta 0900
Part of Thor Family
American orbital launch vehicle. Three stage vehicle consisting of 9 x Castor 2 + 1 x LT Thor DSV-2L-1C + 1 x DSV-3N-4

Status: Retired 1972. First Launch: 1972-07-23. Last Launch: 1972-12-11. Number: 2 . Payload: 1,300 kg (2,800 lb). Thrust: 2,500.00 kN (562,000 lbf). Gross mass: 116,500 kg (256,800 lb). Height: 34.00 m (111.00 ft). Diameter: 2.44 m (8.00 ft). Apogee: 1,500 km (900 mi).

LEO Payload: 1,300 kg (2,800 lb).


More at: Delta 0900.

Family: orbital launch vehicle. Country: USA. Spacecraft: Landsat, Nimbus, Landsat 1-2-3. Launch Sites: Vandenberg, Vandenberg SLC2W. Stages: Delta Thor LT, Delta F, Castor 2, Star 37. Agency: Douglas.

1972 July 23 - . 18:06 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 0900.
  • Landsat 1 - . Payload: ERTS A. Mass: 816 kg (1,798 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 6126 . COSPAR: 1972-058A. Apogee: 909 km (564 mi). Perigee: 898 km (557 mi). Inclination: 99.1000 deg. Period: 103.10 min.

    The first Long Tank Thrust Augmented Thor/Delta to be launched from Vandenberg AFB using nine solid rocket motors successfully placed the Environmental Resources Technology Satellite (ERTS-A) in orbit. Earth Resources Technology Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).


1972 December 11 - . 07:56 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 0900.
  • Nimbus 5 - . Payload: Nimbus E. Mass: 722 kg (1,591 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Weather satellite. Spacecraft: Nimbus. USAF Sat Cat: 6305 . COSPAR: 1972-097A. Apogee: 1,101 km (684 mi). Perigee: 1,088 km (676 mi). Inclination: 100.1000 deg. Period: 107.20 min.

    Environmental research. Primary experiments included a temperature-humidity infrared radiometer (THIR) for measuring day and night surface and cloudtop temperatures as well as the water vapor content of the upper atmosphere, electrically scanning microwave radiometer (ESMR) for mapping the microwave radiation from the earth's surface and atmosphere, infrared temperature profile radiometer (ITPR) for obtaining vertical profiles of temperature and moisture, Nimbus E microwave spectrometer (NEMS) for determining tropospheric temperature profiles, atmospheric water vapor abundances, and cloud liquid water contents, selective chopper radiometer (SCR) for observing the global temperature structure of the atmosphere, and a surface composition mapping radiometer (SCMR) for measuring the differences in the thermal emission characteristics of the earth's surface.



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