|
gptkbp:instanceOf
|
gptkb:satellite
|
|
gptkbp:apogee
|
2,550 km
|
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
|
gptkbp:decayDate
|
1970-03-31
|
|
gptkbp:decommissioned
|
1958-05-23
|
|
gptkbp:diameter
|
0.152 m
|
|
gptkbp:duration
|
111 days
|
|
gptkbp:firstUSSatellite
|
true
|
|
gptkbp:followedBy
|
gptkb:Explorer_2
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Explorer 1 satellite
|
|
gptkbp:inclination
|
33.24 degrees
|
|
gptkbp:instrument
|
gptkb:Geiger-Müller_tube
temperature sensors
micrometeorite detector
|
|
gptkbp:launchDate
|
1958-01-31
|
|
gptkbp:launchSite
|
gptkb:Cape_Canaveral_LC-26A
|
|
gptkbp:launchVehicle
|
gptkb:Juno_I
|
|
gptkbp:length
|
2.03 m
|
|
gptkbp:manufacturer
|
gptkb:Jet_Propulsion_Laboratory
|
|
gptkbp:mass
|
13.97 kg
|
|
gptkbp:missionType
|
scientific
|
|
gptkbp:notableFinds
|
gptkb:Van_Allen_radiation_belt
|
|
gptkbp:notableProject
|
gptkb:James_Van_Allen
|
|
gptkbp:operator
|
gptkb:United_States_Army
|
|
gptkbp:orbitType
|
Low Earth orbit
114.8 minutes
|
|
gptkbp:perihelion
|
358 km
|
|
gptkbp:precededBy
|
gptkb:Sputnik_2
|
|
gptkbp:status
|
decayed from orbit
|
|
gptkbp:bfsParent
|
gptkb:Redstone_missile_program
|
|
gptkbp:bfsLayer
|
6
|