Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:developedBy |
gptkb:Naval_Research_Laboratory
|
| gptkbp:endDate |
1959
|
| gptkbp:goal |
launch first artificial satellite for the United States
|
| https://www.w3.org/2000/01/rdf-schema#label |
Vanguard satellite program
|
| gptkbp:launchSite |
gptkb:Cape_Canaveral
|
| gptkbp:notableAchievement |
Vanguard 1 is the oldest human-made satellite still in orbit
|
| gptkbp:notableFailure |
gptkb:Vanguard_TV3_launch_failure
|
| gptkbp:notableMission |
gptkb:Vanguard_1
gptkb:Vanguard_2 gptkb:Vanguard_TV3 |
| gptkbp:numberOfLaunches |
11
3 |
| gptkbp:operator |
gptkb:United_States_Navy
|
| gptkbp:precededBy |
gptkb:Project_Orbiter
|
| gptkbp:purpose |
scientific research
|
| gptkbp:relatedTo |
gptkb:International_Geophysical_Year
|
| gptkbp:startDate |
1955
|
| gptkbp:status |
retired
|
| gptkbp:successor |
gptkb:Explorer_program
|
| gptkbp:bfsParent |
gptkb:Naval_Research_Laboratory
|
| gptkbp:bfsLayer |
5
|