Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:satellite
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Explorer_I
|
| gptkbp:communication |
radio signals
|
| gptkbp:decommissioned |
gptkb:1959
|
| gptkbp:design |
1 year
|
| gptkbp:discovered_by |
gptkb:Van_Allen_radiation_belts
|
| https://www.w3.org/2000/01/rdf-schema#label |
Explorer III
|
| gptkbp:instrument |
cosmic ray detectors
|
| gptkbp:is_aplace_for |
500 km
1,500 km |
| gptkbp:launch_date |
March 26, 1958
|
| gptkbp:launch_site |
gptkb:cape
|
| gptkbp:launch_vehicle |
gptkb:Juno_I
|
| gptkbp:launched |
gptkb:United_States
|
| gptkbp:mass |
80 kg
|
| gptkbp:mission |
gptkb:Explorer_4
scientific |
| gptkbp:objective |
study cosmic rays
measure Earth's magnetic field |
| gptkbp:operator |
gptkb:NASA
|
| gptkbp:orbital_inclination |
30 degrees
|
| gptkbp:orbital_period |
114 minutes
|
| gptkbp:recognizes |
1958-001 A
|
| gptkbp:speed |
not applicable
|
| gptkbp:successor |
gptkb:Explorer_4
|