HS-393

[1][3] With its solar panels fully extended its height was 10 m (33 ft).

[4] Its propulsion system was composed of two R-4D liquid apogee engines with a thrust of 490 N (110 lbf).

It also had two axial and four radial 22 N (4.9 lbf) bipropellant thrusters for station-keeping and attitude control.

[1] It included enough propellant for orbit circularization and 8 years of operation.

[4] Its payload was composed of a 2.4 m (7 ft 10 in) antenna that fed Ku band transponders.