Names | Vanguard Space Launch Vehicle-Five |
---|---|
Mission type | Magnetic Field Experiment Air Density Experiment |
Operator | Naval Research Laboratory |
Mission duration | Failed to orbit (500 seconds) |
Spacecraft properties | |
Spacecraft | Vanguard 3A |
Spacecraft type | Vanguard |
Manufacturer | Naval Research Laboratory |
Launch mass | 10.3 kg (23 lb) |
Start of mission | |
Launch date | 14 April 1959, 02:49:46 GMT |
Rocket | Vanguard SLV-5 |
Launch site | Cape Canaveral, LC-18A |
Contractor | Glenn L. Martin Company |
End of mission | |
Decay date | Failed to orbit |
Orbital parameters | |
Reference system | Geocentric orbit (planned) |
Regime | Medium Earth orbit |
Perigee altitude | 655 km |
Apogee altitude | 3840 km |
Inclination | 34.20° |
Period | 134.0 minutes |
Instruments | |
Magnetometer | |
Vanguard SLV-5, also called Vanguard Satellite Launch Vehicle-Five hoped to be the third successful flight of the American Vanguard rocket following the successful Vanguard 2 satellite on rocket Vanguard SLV-4.