Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite
|
| gptkbp:apogee |
3969 km
|
| gptkbp:communication |
Antenna
|
| gptkbp:COSPAR_ID |
gptkb:1958-002B
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:decayDate |
not decayed (as of 2024)
|
| gptkbp:diameter |
16.5 cm
|
| https://www.w3.org/2000/01/rdf-schema#label |
Vanguard 1
|
| gptkbp:inclination |
34.25°
|
| gptkbp:launchDate |
1958-03-17
|
| gptkbp:launchSite |
gptkb:Cape_Canaveral
|
| gptkbp:launchVehicle |
gptkb:Vanguard_rocket
|
| gptkbp:manufacturer |
gptkb:Naval_Research_Laboratory
|
| gptkbp:mass |
1.47 kg
|
| gptkbp:missionType |
Earth science
|
| gptkbp:notableFor |
first satellite to use solar power
oldest human-made object still in orbit |
| gptkbp:notableProject |
gptkb:Project_Vanguard
|
| gptkbp:operator |
gptkb:United_States_Navy
|
| gptkbp:orbitType |
Medium Earth orbit
134.2 minutes |
| gptkbp:perihelion |
654 km
|
| gptkbp:powerSource |
solar cells
|
| gptkbp:purpose |
geodetic measurements
atmospheric density study |
| gptkbp:shape |
gptkb:butter
|
| gptkbp:status |
inactive
|
| gptkbp:bfsParent |
gptkb:Broken_Matt_Hardy
|
| gptkbp:bfsLayer |
5
|