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Lambda 4S
Part of Lambda Family
Japanese all-solid orbital launch vehicle. Five stage vehicle consisting of 2 x SB-310 + 1 x L735 + 1 x L735(1/3) + 1 x L500 + 1 x L480S

Status: Retired 1970. First Launch: 1966-09-26. Last Launch: 1970-02-11. Number: 5 . Payload: 26 kg (57 lb). Thrust: 970.00 kN (218,060 lbf). Gross mass: 9,400 kg (20,700 lb). Height: 16.50 m (54.10 ft). Diameter: 0.74 m (2.42 ft). Apogee: 5,000 km (3,100 mi).

LEO Payload: 26 kg (57 lb).


More at: Lambda 4S.

Family: all-solid, orbital launch vehicle. Country: Japan. Spacecraft: Ohsumi, Osumi. Launch Sites: Kagoshima, Kagoshima L. Stages: L500, L735, L735(1/3), SB-310, L480S. Agency: ISAS.

1966 September 26 - . 02:58 GMT - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4S. FAILURE: Fourth stage attitude control failed.. Failed Stage: 4.
  • Ohsumi 1 - . Payload: L-4S-1. Mass: 26 kg (57 lb). Nation: Japan. Agency: ISAS. Class: Technology. Type: Navigation technology satellite. Spacecraft: Ohsumi. Decay Date: 1966-09-26 . Apogee: 400 km (240 mi).

1966 December 20 - . 02:20 GMT - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4S. FAILURE: Fourth stage failed to ignite.. Failed Stage: 4.
  • Ohsumi 2 - . Payload: L-4S-2. Mass: 26 kg (57 lb). Nation: Japan. Agency: ISAS. Class: Technology. Type: Navigation technology satellite. Spacecraft: Ohsumi. Decay Date: 1966-12-19 . Apogee: 400 km (240 mi).

1967 April 13 - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4S. FAILURE: Fourth stage failed to ignite.. Failed Stage: 4.
  • Ohsumi 3 - . Payload: L-4S-3. Mass: 26 kg (57 lb). Nation: Japan. Agency: ISAS. Class: Technology. Type: Navigation technology satellite. Spacecraft: Ohsumi. Decay Date: 1967-04-13 . Apogee: 200 km (120 mi).

1969 September 22 - . 02:10 GMT - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4S. FAILURE: Fourth stage control system malfunction after third stage collided with fourth stage.. Failed Stage: 4.
  • Ohsumi 4 - . Payload: L-4S-4. Mass: 25 kg (55 lb). Nation: Japan. Agency: ISAS. Class: Technology. Type: Navigation technology satellite. Spacecraft: Ohsumi. Decay Date: 1969-09-22 . Apogee: 400 km (240 mi).

1970 February 11 - . 04:25 GMT - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4S.
  • Ohsumi 5 - . Payload: L-4S-5. Mass: 12 kg (26 lb). Nation: Japan. Agency: ISAS. Class: Technology. Type: Navigation technology satellite. Spacecraft: Osumi. Decay Date: 2003-08-02 . USAF Sat Cat: 4330 . COSPAR: 1970-011A. Apogee: 2,440 km (1,510 mi). Perigee: 323 km (200 mi). Inclination: 31.0000 deg. Period: 113.40 min. Engineering tests. Engineering test for the launching of scientific satellites. Injection point 29.7 N, 145.8 E .


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