AKA: IIAE Orion-2;Orion-2. Status: Retired 1973. Number: 1 . Gross mass: 115 kg (253 lb). Unfuelled mass: 30 kg (66 lb). Burn time: 12 s. Height: 3.00 m (9.80 ft). Diameter: 0.21 m (0.68 ft).