AKA: Prospector. Status: Retired 1991. First Launch: 1991-06-18. Last Launch: 1991-06-18. Number: 1 . Thrust: 430.00 kN (96,660 lbf). Gross mass: 12,200 kg (26,800 lb). Height: 14.10 m (46.20 ft). Diameter: 1.02 m (3.34 ft). Apogee: 500 km (310 mi).