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X-ray satellite on Vanguard, 1958-04-29 (Failure)

ResultFailure
Date1958-04-29 02:53 UTC
VehicleVanguardVanguard
Vanguard flight no.4success rate so far 25%
No. in 19587 / 28orbital attempts
Agency countryUnited StatesNRL
ItemValue
Launch siteCape Canaveral Air Station, Florida
PayloadX-ray satellite
GCAT launch tag1958-F04
Mass to orbit0.0 t

Neighbouring Vanguard launches

DatePayloadVehicleSiteResult
1957-12-06Vanguard Test SatelliteVanguardCCFailure
1958-02-05Vanguard Test SatelliteVanguardCCFailure
1958-03-17Vanguard Test SatelliteVanguardCCSuccess
1958-04-29X-ray satelliteVanguardCCFailure
1958-05-28Lyman Alpha satelliteVanguardCCFailure
1958-06-26X-ray satelliteVanguardCCFailure
1958-09-26Cloud cover satelliteVanguardCCFailure
1959-02-17Cloud cover satelliteVanguardCCSuccess
1959-04-14Magnetometer satelliteVanguardCCFailure

Vanguard launches per year

1957: 119571958: 619581959: 41959

← 1958-04-271958-05-15 →

Counts orbital launch attempts (successes and failures); suborbital flights excluded. Countries are those of the launching agency.