Ohsumi
Credit: NASDA
Japanese technology satellite. 4 launches, 1966.09.26 (Ohsumi 1) to 1969.09.22 (Ohsumi 4). Small engineering test satellites lofted by Japan's first indigenous launch vehicle.
Gross mass: 25 kg (55 lb).
First Launch: 1966.09.26.
Last Launch: 1969.09.22.
Number: 4 .
More... - Chronology...
Associated Countries
See also
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Lambda All solid-propellant vehicle, Japan's first satellite launcher. The L-4S project simulated the procedures and demonstrated the capabilities required for orbital satellite launch essential to the follow-on Mu project. More...
Associated Launch Vehicles
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Lambda Japanese all-solid orbital launch vehicle. All solid-propellant vehicle, Japan's first satellite launcher. The L-4S project simulated the procedures and demonstrated the capabilities required for orbital satellite launch essential to the follow-on Mu project. More...
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Lambda 4S 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 More...
Bibliography
-
Bramscher, Robert G, "A Survey of Launch Vehicle Failures", Spaceflight, 1980, Volume 22, page 351.
Associated Launch Sites
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Kagoshima Japanese launch center for solid fueled sounding rockets and satellite launchers. Limited to two months a year due to disturbance of local fisheries. More...
Ohsumi Chronology
1966 September 26 - .
02:58 GMT - .
Launch Site:
Kagoshima.
Launch Complex:
Kagoshima L.
LV Family:
Lambda.
Launch Vehicle:
Lambda 4S.
LV Configuration: Lambda 4S L-4S-1.
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 . COSPAR: F660926A. 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.
LV Configuration: Lambda 4S L-4S-2.
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 . COSPAR: F661220A. Apogee: 400 km (240 mi).
1967 April 13 - .
Launch Site:
Kagoshima.
Launch Complex:
Kagoshima L.
LV Family:
Lambda.
Launch Vehicle:
Lambda 4S.
LV Configuration: Lambda 4S L-4S-3.
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 . COSPAR: F670413A. 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.
LV Configuration: Lambda 4S L-4S-4.
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 . COSPAR: F690922A. Apogee: 400 km (240 mi).
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