Encyclopedia Astronautica
SS-520-1


Solid rocket stage. 143.10 kN (32,170 lbf) thrust. Mass 2,300 kg (5,071 lb).

AKA: S520.
Status: Active.
Gross mass: 2,300 kg (5,000 lb).
Unfuelled mass: 400 kg (880 lb).
Height: 5.90 m (19.30 ft).
Diameter: 0.52 m (1.70 ft).
Thrust: 143.10 kN (32,170 lbf).
Burn time: 29 s.
Number: 24 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • S-520 Japanese sounding rocket. The S-520 was a larger single-stage rocket which could be equipped with a three-axis attitude control and a recovery system. It had the capability of launching a 100 kg payload above 300 km and provided more than five minutes of micro-gravity flight for experiments. More...
  • SS-520 Japanese test vehicle. The SS-520 was a two-stage rocket, the first stage consisting of the main booster of the S-520. It had a capability of launching a 140 kg payload to an altitude of about 1,000 km, and with addition of a third stage, as a satellite launch vehicle. More...

Associated Manufacturers and Agencies
  • ISAS Japanese agency overseeing development of rockets, spacecraft, and rocket engines. Institute of Space and Astronautical Science, Japan. 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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