Vanguard 3
E409859
Vanguard 3 was an early American scientific satellite launched in 1959 to study Earth's magnetic field, radiation environment, and upper atmosphere as part of the Vanguard program.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Vanguard 3 canonical | 4 |
| Vanguard 3 satellite | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Earth-orbiting satellite
ⓘ
artificial satellite ⓘ scientific satellite ⓘ |
| apoapsis | approximately 3,800 kilometers ⓘ |
| carriedInstrument |
Geiger–Müller tube
ⓘ
surface form:
Geiger–Müller tubes
ionization chambers ⓘ magnetometer ⓘ micrometeorite detectors ⓘ radio transmitters ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| diameter | about 50.8 centimeters ⓘ |
| discovererOrDeveloper | Naval Research Laboratory ⓘ |
| epochOfOrbit | late 1959 ⓘ |
| followedBy | later American scientific satellites ⓘ |
| launchComplex |
Launch Complex 18
ⓘ
surface form:
Launch Complex 18A
|
| launchDate | 1959-09-18 ⓘ |
| launchOutcome | success ⓘ |
| launchSite |
Cape Canaveral
ⓘ
Cape Canaveral Space Force Station ⓘ
surface form:
Cape Canaveral Air Force Station
|
| launchVehicle | Vanguard rocket ⓘ |
| mass | about 22.7 kilograms ⓘ |
| missionObjective |
measure micrometeorite impacts
ⓘ
measure solar X-rays effects ⓘ measure trapped radiation ⓘ study Earth’s magnetic field ⓘ study Earth’s radiation environment ⓘ study Earth’s upper atmosphere ⓘ |
| missionType |
geophysics research
ⓘ
magnetospheric research ⓘ upper atmosphere research ⓘ |
| operator |
Naval Research Laboratory
ⓘ
United States Navy ⓘ |
| orbitInclination | about 33.4 degrees ⓘ |
| orbitPeriod | about 130 minutes ⓘ |
| orbitReference | geocentric orbit ⓘ |
| orbitRegime | highly elliptical orbit ⓘ |
| partOf | early United States space program ⓘ |
| periapsis | approximately 510 kilometers ⓘ |
| powerSource |
chemical batteries
ⓘ
solar cells ⓘ |
| precededBy | Vanguard 2 ⓘ |
| program | Vanguard program ⓘ |
| shape | spherical ⓘ |
| spacecraftBus | Vanguard series bus ⓘ |
| status | in orbit ⓘ |
| usedFor |
characterizing Van Allen radiation belts
ⓘ
mapping Earth’s magnetic field ⓘ studying upper atmospheric density ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Vanguard 3 satellite