Status
Failure
Vanguard SLV-1
Launch Time
Wed May 28, 1958 03:46 UTC
Wed May 28, 1958 03:46 UTC
A 2nd stage attitude control failure prevented the 3rd stage from entering the correct angle for orbital insertion.
Rocket
Mission Details
Vanguard SLV-1
The objective of the Vanguard SLV1 and SLV2 satellites was to launch into orbit a fully instrumented, 20in, 10 kg Lyman-alpha satellite. This satellite was to study solar Lyman-alpha radiation and to make certain space environment measurements; it was identical to the Vanguard x-ray satellite of TV-5 except that it covered the 1100 to 1300 Å wavelength bands.
Payloads: 1
Total Mass: 10.0 kg
Medium Earth Orbit
Location
LC-18A, Cape Canaveral SFS, Florida, USA
Stats
1958
9th orbital launch attempt
Vanguard
5th mission
4th mission of 1958
4th failed mission