Encyclopedia Astronautica
Antares 2


Solid propellant rocket stage. Loaded/empty mass 1,400/300 kg. Thrust 93.09 kN. Vacuum specific impulse 293 seconds.

Cost $ : 4.000 million.

Status: Retired 1995.
Gross mass: 1,400 kg (3,000 lb).
Unfuelled mass: 300 kg (660 lb).
Height: 2.90 m (9.50 ft).
Diameter: 0.78 m (2.55 ft).
Span: 0.78 m (2.55 ft).
Thrust: 93.09 kN (20,928 lbf).
Specific impulse: 293 s.
Specific impulse sea level: 233 s.
Burn time: 36 s.
Number: 136 .

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Associated Countries
Associated Engines
  • X-259 Thiokol solid rocket engine. 93.1 kN. Isp=293s. Used on Scout A, Scout B, Scout D, Scout F, Scout X-2, Scout X-3, Scout X-4. First flight 1962. More...

Associated Launch Vehicles
  • Scout X-2 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 1D + 1 x Castor + 1 x Antares 2 + 1 x Altair More...
  • Scout X-2M American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 1D + 1 x Castor + 1 x Antares 2 + 1 x MG-18 More...
  • Scout X-3A American all-solid orbital launch vehicle. Five stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair + 1 x Cetus More...
  • Scout X-3 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair More...
  • Scout X-2 1C American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 1C + 1 x Castor + 1 x Antares 2 + 1 x Altair More...
  • Scout X-3M American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x MG-18 More...
  • Scout X-4 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair 2 More...
  • Scout X-2B American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 1D + 1 x Castor + 1 x Antares 2 + 1 x Altair 2 More...
  • Scout X-4A American all-solid orbital launch vehicle. Five stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair 2 + 1 x Cetus More...
  • Scout X-3C American all-solid orbital launch vehicle. Three stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 More...
  • Scout B American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2B + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S More...
  • Scout A American all-solid orbital launch vehicle. All-solid low cost lightweight launch vehicle. More...
  • Scout B 2A American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S More...
  • Sparta American orbital launch vehicle. Three stage vehicle consisting of 1 x Redstone + 1 x Antares 2 + 1 x BE-3 More...
  • Scout X-5 American suborbital launch vehicle. Three stage vehicle consisting of 1 x Algol 2B + 1 x Castor 2 + 1 x Antares 2 More...
  • Athena H American test vehicle. Four stage vehicle consisting of 4 x Recruit + 1 x Castor 4 + 1 x Antares 2 + 1 x Alcor IA More...
  • Scout B-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2C + 1 x Castor 2 + 1 x Antares 2 + 1 x Star 20 More...
  • Scout B-1 F American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2C + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S More...
  • Scout D-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 2 + 1 x Star 20 More...
  • Scout D-1 F American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S More...
  • Scout A-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2C + 1 x Castor 2 + 1 x Antares 2 + 1 x Altair 2 More...
  • Scout E-1 American all-solid orbital launch vehicle. Five stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S + 1 x BE-3 More...
  • Scout F American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 2B + 1 x Star 20 More...
  • Strypi XI American target missile. Four stage vehicle consisting of 2 x Recruit + 1 x Castor + 1 x Antares 2 + 1 x Star 27 More...
  • Strypi IX American target missile. Two stage vehicle consisting of 1 x Castor + 1 x Antares 2 More...
  • Strypi Tomahawk American target missile. Four stage vehicle consisting of 2 x Recruit + 1 x Castor + 1 x ? + 1 x Tomahawk More...

Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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