Orion-1 was the designation of a sounding rocket of Argentina, which was started between 1965 and 1971 by CELPA and by Wallops Island.
The Orion possessed a takeoff weight of 100 kg (220 lb). It had a length of 4 m (13 ft), a diameter of 0.21 m (8.3 in), and a ceiling of 95 km (59 mi).