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Two Ku-band DTH satellites were originally ordered by STC in 1982, but when their plans failed, were sold to Japan as gapfillers in the BS broadcasting satellite program under the designation BS 2x (1989) and BS 3h (1990).
Height 43.90 Meters
Max Stages 2
Mass To GTO 0 kg
Liftoff Thrust 1939 kN
Diameter 3.05 Meters
Mass To LEO 5900 kg
Liftoff Mass 164 Tonnes
Launch Success 9
Consecutive Success 7
Maiden Flight 1990-07-25
Launch Failures 2