Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite
|
| gptkbp:broadcastMessageFrom |
gptkb:President_Dwight_D._Eisenhower
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:decommissioned |
1959-01-21
|
| gptkbp:launchDate |
gptkb:Cape_Canaveral,_Florida
1958-12-18 |
| gptkbp:launchVehicle |
gptkb:Atlas_B_missile
|
| gptkbp:mass |
68 kg
|
| gptkbp:missionType |
communications
|
| gptkbp:notableFor |
first communications satellite
first satellite to broadcast a human voice from space |
| gptkbp:operator |
gptkb:United_States_Army
|
| gptkbp:orbitType |
gptkb:Low_Earth_Orbit
|
| gptkbp:purpose |
demonstrate communication relay technology
|
| gptkbp:status |
deorbited
|
| gptkbp:bfsParent |
gptkb:Defense_Advanced_Research_Projects_Agency_(DARPA)
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Project SCORE
|