Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:endDate |
1959
|
| gptkbp:firstSuccessfulLaunchDate |
1958-03-17
|
| gptkbp:firstSuccessfulSatellite |
gptkb:Vanguard_1
|
| gptkbp:fundedBy |
gptkb:Naval_Research_Laboratory
|
| gptkbp:launchDate |
1957-12-06
|
| gptkbp:launchVehicle |
gptkb:Vanguard_rocket
|
| gptkbp:notableAchievement |
Vanguard 1 is the oldest human-made satellite still in orbit
|
| gptkbp:notableMission |
gptkb:Vanguard_1
gptkb:Vanguard_2 gptkb:Vanguard_3 gptkb:Vanguard_TV3 |
| gptkbp:operator |
gptkb:United_States_Navy
|
| gptkbp:predecessor |
gptkb:Project_Orbiter
|
| gptkbp:purpose |
launch artificial satellites
|
| gptkbp:relatedTo |
gptkb:International_Geophysical_Year
|
| gptkbp:startDate |
1955
|
| gptkbp:status |
concluded
|
| gptkbp:successor |
gptkb:Explorer_program
|
| gptkbp:bfsParent |
gptkb:Vanguard_3
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Vanguard program
|