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SOICAL Cylinder (S69-4, NRL-PL 149A)

SOICAL Cylinder [NRO]

SOICAL Cylinder (Space Object Identification Calibration - Cylinder) was an Air Force surveillance calibration spacecraft launched from Vandenberg AFB aboard a Thorad-SLV2G Agena-D rocket.

SOICAL was also known as S69-4 in the STP program. Two SOICAL satellites were on this launch: one in shape of a cylinder, the other in the shape of a cone (SOICAL Cone).

SOICAL Cylinder was a 25.4 cm diameter right circular cylinder 101.6 cm long. It was deployed from the aft rack of the Agena-D stage.

Nation: USA
Type / Application: Calibration
Operator: US Air Force (USAF)
Contractors:
Equipment:
Configuration:
Propulsion: ?
Power: None
Lifetime:
Mass:
Orbit: 791 km × 812 km, 70°
Satellite COSPAR Date LS Launch Vehicle Remarks
SOICAL Cylinder (S69-4, NRL-PL 149A) 1969-082J 30.09.1969 Va SLC-1W Thorad-SLV2G Agena-D with Poppy 6A, Poppy 6B, Poppy 6C, Poppy 6D, Timation 2, Tempsat 2, SOICAL Cone, Weston, NRL-PL 176

References:

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