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Diapason (D 1A)

Diapason [CNES]

Diapason was a small cylindrical satellite, 20 cm long and 50 cm in diameter which was used for making geodetic measurements. Observations consisted of doppler delay of radio signals, plus photography of the satellite against the star field. Satellite performance was satisfactory with useful observations occuring for over 5 years.

Nation: France
Type / Application: Science
Operator:
Contractors:
Equipment:
Configuration:
Propulsion:
Power: 4 deployable fixed solar arrays, batteries
Lifetime:
Mass: 18.5 kg
Orbit: 502 km × 2735 km, 34.06°
Satellite COSPAR Date LS Launch Vehicle Remarks
Diapason (D 1A) 1966-013A 17.02.1966 Ha Brigitte Diamant-A

References: