Encyclopedia Astronautica
Mu-3


The Japanese Mu launcher series provided a flexible all-solid propellant launch vehicle for access to space.

LEO Payload: 770 kg (1,690 lb) to a 185 km orbit. Payload: 520 kg (1,140 lb) to a GTO. Launch Price $: 30.000 million in 1994 dollars.

Stage Data - Mu-3

  • Stage 0. 2 x Mu-3S-0. Gross Mass: 5,100 kg (11,200 lb). Empty Mass: 1,080 kg (2,380 lb). Thrust (vac): 327.830 kN (73,699 lbf). Isp: 263 sec. Burn time: 38 sec. Isp(sl): 238 sec. Diameter: 0.73 m (2.39 ft). Span: 0.73 m (2.39 ft). Length: 8.25 m (27.06 ft). Propellants: Solid. No Engines: 1. Engine: SB-735. Other designations: SB-735. Status: In Production.
  • Stage 1. 1 x Mu-3S-1. Gross Mass: 34,800 kg (76,700 lb). Empty Mass: 7,640 kg (16,840 lb). Thrust (vac): 1,262.419 kN (283,803 lbf). Isp: 263 sec. Burn time: 70 sec. Isp(sl): 238 sec. Diameter: 1.41 m (4.62 ft). Span: 5.00 m (16.40 ft). Length: 14.75 m (48.39 ft). Propellants: Solid. No Engines: 1. Engine: M-13. Other designations: M-13. Status: In Production.
  • Stage 2. 1 x Mu-3S-2. Gross Mass: 13,100 kg (28,800 lb). Empty Mass: 2,800 kg (6,100 lb). Thrust (vac): 523.998 kN (117,799 lbf). Isp: 285 sec. Burn time: 70 sec. Isp(sl): 220 sec. Diameter: 1.41 m (4.62 ft). Span: 1.41 m (4.62 ft). Length: 6.19 m (20.30 ft). Propellants: Solid. No Engines: 1. Engine: M-23-Mu. Other designations: M-23. Status: In Production.
  • Stage 3. 1 x Mu-3S-3. Gross Mass: 3,590 kg (7,910 lb). Empty Mass: 490 kg (1,080 lb). Thrust (vac): 132.115 kN (29,701 lbf). Isp: 294 sec. Burn time: 85 sec. Isp(sl): 0.0000 sec. Diameter: 1.50 m (4.90 ft). Span: 1.50 m (4.90 ft). Length: 2.68 m (8.79 ft). Propellants: Solid. No Engines: 1. Engine: M-3B-Mu. Other designations: M-3B. Status: In Production.

Status: Out of production.
Gross mass: 62,610 kg (138,030 lb).
Payload: 770 kg (1,690 lb).
Height: 28.00 m (91.00 ft).
Diameter: 1.50 m (4.90 ft).
Thrust: 1,740.00 kN (391,160 lbf).
Apogee: 185 km (114 mi).

More... - Chronology...


Associated Countries
Associated Spacecraft
  • SS Japanese earth magnetosphere satellite. 6 launches, 1970.09.25 (SS) to 1985.08.18 (SS-11 Suisei). Scientific observations in outer space. More...
  • Tansei Japanese technology satellite. 5 launches, 1971.02.16 (Tansei 1) to 1985.01.07 (SS-10 Sagikake). Series of spacecraft of varying configurations built for engineering tests of scientific satellite equipment. More...
  • Corsa A Japanese technology satellite. One launch, 1976.02.04. Japanese technology satellite. More...
  • EXOS Japanese earth ionosphere satellite. 4 launches, 1978.02.04 (SS-05 Kyokko) to 1989.02.21 (Akebono). Optical investigations of ionosphere. EXOS-C (OHZORA). More...
  • Astro Japanese x-ray astronomy satellite. 4 launches, 1981.02.21 (SS-07 Hinotori) to 1993.02.20 (Asuka). X-ray experiments. Launching organization: ISAS (Institute of Space and Astronautical Science). More...
  • Hagoromo Japanese lunar orbiter. One launch, 1990.01.24. Lunar orbiter ejected from Muses A 3/19/90; contact lost after release; engineering test. Lunar Orbit (Selenocentric). More...
  • Hiten Japanese lunar orbiter. One launch, 1990.01.24. MUSES-A was renamed Hiten after launch. It developed of lunar swingby techniques for future missions and ejected a lunar orbiter. More...
  • Solar Japanese solar satellite. One launch, 1991.08.30. X-ray imaging of Sun. More...
  • Express 1 Japanese materials science satellite. One launch, 1995.01.15, EXPRESS RV. At first thought not to have reached orbit. Later reentry vehicle was discovered in Ghana having reentered and deployed its parachute on Jan 15. More...

See also
  • Mu The Japanese Mu launcher series provided a flexible all-solid propellant launch vehicle for access to space. It was the first Japanese launch vehicle designed from the start as an orbital launch vehicle. More...

Associated Manufacturers and Agencies
  • Nissan Japanese manufacturer of rocket engines and rockets. Nissan, Japan. More...

Home - Browse - Contact
© / Conditions for Use