Encyclopedia entry

Ohsumi

Spacecraft · Japan

Original archive entry. The text, images and links below are kept as they were written.

Japanese technology satellite. Small engineering test satellites lofted by Japan's first indigenous launch vehicle. Technology satellite operated by ISAS, Japan. Launched 1966 - 1970.

More at: Ohsumi.

Family: Technology, Technology satellite
Country: Japan
Launch Vehicles: Lambda, Lambda 4, Lambda 4S
Launch Sites: Kagoshima, Kagoshima L
Bibliography: 126, 6748, 12907

Chronology

4 events

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).