Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:spacecraft
|
| gptkbp:decommissioned |
1958-02-01
|
| https://www.w3.org/2000/01/rdf-schema#label |
1958 Alpha 1
|
| gptkbp:launch_date |
1958-01-31
|
| gptkbp:launch_site |
gptkb:Cape_Canaveral
|
| gptkbp:manufacturer |
gptkb:NASA
|
| gptkbp:mass |
14 kg
|
| gptkbp:mission_type |
gptkb:scientific_research
|
| gptkbp:orbit_type |
low Earth orbit
|
| gptkbp:orbital_period |
90 minutes
|
| gptkbp:successor |
gptkb:Explorer_1
|
| gptkbp:bfsParent |
gptkb:Explorer_1
|
| gptkbp:bfsLayer |
4
|