Encyclopedia Astronautica
Doorknob 1


American test vehicle. Single stage vehicle.

Gross mass: 500 kg (1,100 lb).
Height: 3.60 m (11.80 ft).
Diameter: 0.53 m (1.73 ft).
Apogee: 24 km (14 mi).
First Launch: 1957.07.27.
Last Launch: 1959.01.31.
Number: 7 .

More... - Chronology...


Associated Countries
See also
  • Doorknob Test vehicle developed by Sandia for aeronomy measurements during atmospheric nuclear tests. One (Doorknob-1) or two surplus Lacrosse (Doorknob-2) missile motors were mated with the payload section. More...

Associated Manufacturers and Agencies
  • Sandia American manufacturer of rockets and spacecraft. Sandia Laboratories, Albequerque, USA. More...

Associated Launch Sites
  • Tonopah Sounding rocket and test vehicle launch site. Conducted launches in support of US nuclear weapons development programs. Known to have been used for 93 launches from 1957 to 1986, reaching up to 270 kilometers altitude. More...
  • Johnston Island US military base on this island in the Pacific Ocean. Used for rocket-launched nuclear tests in the 1950's. In the 1960's it was the site for the operational AFP-437 anti-satellite system. The system was retired in 1975. Several sounding rockets were also launched over the years, either in support of nuclear tests or in experiments related to anti-satellite technology. Known to have been used for 124 launches from 1958 to 1975, reaching up to 1158 kilometers altitude. More...

Associated Stages

Doorknob 1 Chronology


1957 July 27 - . Launch Site: Tonopah. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Test mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

1958 August 1 - . 09:50 GMT - . Launch Site: Johnston Island. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

1958 August 1 - . 09:50 GMT - . Launch Site: Johnston Island. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

1958 August 1 - . 09:50 GMT - . Launch Site: Johnston Island. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

1958 August 1 - . 09:50 GMT - . Launch Site: Johnston Island. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

1958 August 11 - . 09:30 GMT - . Launch Site: Johnston Island. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

1959 January 31 - . Launch Site: Tonopah. LV Family: Doorknob. Launch Vehicle: Doorknob 1. LV Configuration: Doorknob-1.
  • Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 24 km (14 mi).

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