Encyclopedia Astronautica
Kappa 9L


Japanese sounding rocket. Three stage vehicle consisting of 1 x K420 + 1 x Kappa 6 + 1 x Kappa 6 St2

Payload: 15 kg (33 lb) to a 350 km altitude.

Gross mass: 1,550 kg (3,410 lb).
Payload: 15 kg (33 lb).
Height: 12.50 m (41.00 ft).
Diameter: 0.42 m (1.37 ft).
Apogee: 350 km (210 mi).
First Launch: 1961.04.01.
Last Launch: 1961.12.26.
Number: 2 .

More... - Chronology...


Associated Countries
See also
  • Kappa The Kappa series represented Japan's first large post-war indigenously-developed sounding rockets. They led eventually to the Lambda and Mu solid rocket satellite launchers. 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 Launch Sites
  • Akita Sounding rocket launch site for Kappa series, known to have been used for 81 launches from 1956 to 1990. More...

Associated Stages
  • Kappa 5-1 Solid rocket stage. 34.00 kN (7,644 lbf) thrust. Mass 200 kg (441 lb). More...
  • Kappa 6H-2 Solid rocket stage. 19.00 kN (4,271 lbf) thrust. Mass 100 kg (220 lb). More...
  • Kappa 9L-1 Solid rocket stage. 110.00 kN (24,729 lbf) thrust. Mass 1,200 kg (2,646 lb). More...

Kappa 9L Chronology


1961 April 1 - . 03:25 GMT - . Launch Site: Akita. LV Family: Kappa. Launch Vehicle: Kappa 9L. LV Configuration: Kappa 9L K-9L-1.
  • Test mission - . Nation: Japan. Agency: ISAS. Apogee: 350 km (210 mi).

1961 December 26 - . 05:05 GMT - . Launch Site: Akita. LV Family: Kappa. Launch Vehicle: Kappa 9L. LV Configuration: Kappa 9L K-9L-2.
  • Test mission - . Nation: Japan. Agency: ISAS. Apogee: 343 km (213 mi).

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