D

1966 February 17

08:33 GMT - . Launch Site: Hammaguira. Launch Complex: Hammaguira Brigitte. LV Family: Diamant. Launch Vehicle: Diamant A.

• Diapason - . Payload: D-1A. Mass: 19 kg (41 lb). Nation: France. Agency: CNES. Class: Earth. Type: Geodetic satellite. Spacecraft: D. USAF Sat Cat: 2016 . COSPAR: 1966-013A. Apogee: 2,484 km (1,543 mi). Perigee: 502 km (311 mi). Inclination: 34.10 deg. Period: 115.80 min. Scientific satellite 'D-I' launched from Hammaguir (Algeria)..

1971 April 15

09:19 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B.

• Tournesol - . Payload: D-2A. Mass: 96 kg (211 lb). Nation: France. Agency: CNES. Class: Earth. Type: Geodetic satellite. Spacecraft: D. Decay Date: 1980-01-28 . USAF Sat Cat: 5128 . COSPAR: 1971-030A. Apogee: 696 km (432 mi). Perigee: 457 km (283 mi). Inclination: 46.30 deg. Period: 96.20 min.

1971 December 5

16:20 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B. FAILURE: Second stage failed.. Failed Stage: 2.

• D-2A Polaire - . Payload: D-2A Polaire. Nation: France. Agency: CNES. Class: Earth. Type: Atmosphere satellite. Spacecraft: D.

1973 May 21

Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B. FAILURE: Failure - fairing did not jettison.. Failed Stage: S.

• Castor (D 5A) - . Payload: D 5A. Nation: France. Agency: CNES. Class: Technology. Type: Navigation technology satellite. Spacecraft: D. Decay Date: 1972-05-21 . COSPAR: F730521A.

1975 May 17

10:32 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant BP.4.

• Pollux - . Payload: D-5A. Mass: 35 kg (77 lb). Nation: France. Agency: CNES. Class: Earth. Type: Geodetic satellite. Spacecraft: D. Decay Date: 1975-08-05 . USAF Sat Cat: 7801 . COSPAR: 1975-039A. Apogee: 1,256 km (780 mi). Perigee: 299 km (185 mi). Inclination: 30.00 deg. Period: 100.40 min.

  D5A: Weight 36 kg. Testing in space of a hydrazine catalytic decomposition micropropulsion unit. Responsible organization: Societe Europeene de Propulsion. D5B: Weight 76 kg. Testing in space of the CACTUS accelerometer (ultrasensitive triaxial capacitive accelerometric sensor). Responsible organization: ONERA, Chatillon-sous-Berneux, France.

• Castor - . Payload: D-5B. Mass: 77 kg (169 lb). Nation: France. Agency: CNES. Class: Earth. Type: Geodetic satellite. Spacecraft: D. Decay Date: 1979-02-18 . USAF Sat Cat: 7802 . COSPAR: 1975-039B. Apogee: 1,275 km (792 mi). Perigee: 277 km (172 mi). Inclination: 29.90 deg. Period: 100.30 min.

  D5A: Weight 36 kg. Testing in space of a hydrazine catalytic decomposition micropropulsion unit. Responsible organization: Societe Europeene de Propulsion. D5B: Weight 76 kg. Testing in space of the CACTUS accelerometer (ultrasensitive triaxial capacitive accelerometric sensor). Responsible organization: ONERA, Chatillon-sous-Berneux, France.

1975 September 27

08:37 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant BP.4.

• Aura - . Payload: D-2. Mass: 115 kg (253 lb). Nation: France. Agency: CNES. Class: Earth. Type: Geodetic satellite. Spacecraft: D. Decay Date: 1982-09-30 . USAF Sat Cat: 8332 . COSPAR: 1975-092A. Apogee: 697 km (433 mi). Perigee: 476 km (295 mi). Inclination: 37.10 deg. Period: 96.50 min.

  Solar UV radiation experiments. Study of solar and stellar ultraviolet radiation. 1. Spectral analysis of small and large sources located close to the plane of the ecliptic. Responsible organization: Laboratoire d'Astronomie Spatiale, Traverse du Siphon, 13000- Marseille (France). 2. St udy of solar ultraviolet radiation and its absorption by the earth's atmosphere. Responsible organization: Laboratoire de Physique Stellaire et Planetaire, Meudon, France. Weight 106.6 kg.