Capricornio (rocket)

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Cohete Capricornio (5655343045).jpg
Function Orbital launch vehicle
Manufacturer Instituto Nacional de Técnica Aeroespacial (INTA)
Country of origin Spain
Height 18.25 m
Diameter 1.00 m
Mass 15,035 kg
Stages 3
Payload to LEO 140 kg
Launch history
Status Canceled
Launch sites El Hierro
First stage - Castor 4B
Engines 1 solid
Thrust 429 kN
Burn time 61 seconds
Fuel Solid
Second stage - Deneb-F
Engines 1 solid
Thrust 167.9 kN
Burn time 35.6 seconds
Fuel solid
Third stage - Mizar-B
Engines 1 solid
Thrust 50.29 kN
Burn time 33.8 seconds
Fuel solid

Capricornio was a Spanish satellite launch vehicle developed by the Instituto Nacional de Técnica Aeroespacial (INTA) in the 1990s.[1] It was expected to be a low cost solution to place up to 70 kg payloads into 600 km polar orbits or 60 to 140 kg payloads into low Earth orbit. Part of the technology was related to Argentina's Condor missile program.


  • First phase: development of solid motors using the INTA-100 and INTA-300 sounding rockets, launched from the El Arenosillo test range in southern Spain.
  • Second phase: use Capricornio second and third stages as the Argos sounding rocket (originally planned for winter 1998-99[2]).
  • Third phase: first launch of the full Capricornio rocket, carrying a micro-satellite.


Three-stage solid propellant launcher. Overall length of 18.25 m, body diameter of 1.0 m and weighs 15,035 kg at launch.

Projected flights[edit]

The first flight of Capricornio was scheduled to take place from El Hierro[5] in late 1999 or 2000. It would carry two small satellites:[6] Nanosat 01 (developed by the Polytechnic University of Madrid) and Venus (Polytechnic University of Madrid and other universities in Mexico and Argentina).


  1. ^ "Capricorno". Retrieved 2012-08-20. 
  2. ^ "Capricornio project". 1998-10-19. Retrieved 2012-08-20. 
  3. ^ "Thiokol to Supply Rocket Boosters for Spain's Capricornio Launch Vehicle New Three-Stage Booster Under Development for Small Payloads - Free Online Library". 1997-06-16. Retrieved 2012-08-20. 
  4. ^ a b "Capricornio". Retrieved 2013-10-22. 
  5. ^ "Spain in Space" (PDF). Retrieved 2013-10-22. 
  6. ^ "Capricorno". Retrieved 2013-10-22.