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gptkbp:instance_of
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gptkb:satellite
|
|
gptkbp:analysis
|
NASA scientists
|
|
gptkbp:collaboration
|
gptkb:none
|
|
gptkbp:collection
|
remote sensing
|
|
gptkbp:contribution
|
understanding of space weather
|
|
gptkbp:data_return
|
scientific data
|
|
gptkbp:data_transmission
|
telemetry
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|
gptkbp:data_type
|
radiation measurements
magnetic field data
radiation data
cosmic ray data
|
|
gptkbp:data_usage
|
research and analysis
|
|
gptkbp:decommissioned
|
gptkb:1969
|
|
gptkbp:design
|
1 year
|
|
gptkbp:discovery
|
gptkb:Van_Allen_radiation_belts
|
|
gptkbp:first_of_type
|
gptkb:Explorer_series
|
|
gptkbp:frequency
|
137.5 MHz
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Explorer VII
|
|
gptkbp:impact
|
influenced future satellite missions
|
|
gptkbp:launch_date
|
gptkb:1967
October 4, 1967
|
|
gptkbp:launch_mass
|
150 kg
|
|
gptkbp:launch_site
|
gptkb:Cape_Canaveral
|
|
gptkbp:launch_vehicle
|
Delta D
|
|
gptkbp:launched
|
gptkb:NASA
Launch Complex 17 B
|
|
gptkbp:manufacturer
|
gptkb:NASA_Goddard_Space_Flight_Center
|
|
gptkbp:mission
|
gptkb:1968
gptkb:Earth_observation
completed
|
|
gptkbp:mission_duration
|
1 year
|
|
gptkbp:mission_type
|
Earth science
|
|
gptkbp:objective
|
measure magnetic fields
measure cosmic rays
measure radiation levels
study Earth's radiation environment
|
|
gptkbp:operational_status
|
decommissioned
|
|
gptkbp:orbit_type
|
Low Earth Orbit
|
|
gptkbp:orbital_altitude
|
600 km
|
|
gptkbp:orbital_inclination
|
90 degrees
|
|
gptkbp:orbital_period
|
114 minutes
eventual reentry
|
|
gptkbp:power_source
|
solar panels
|
|
gptkbp:primary_mission
|
gptkb:Explorer_8
|
|
gptkbp:scientific_instruments
|
gptkb:cosmic_ray_detector
gptkb:magnetometer
microwave radiometer
|
|
gptkbp:speed
|
gptkb:1969
|
|
gptkbp:successor
|
gptkb:Explorer_8
|
|
gptkbp:weight
|
150 kg
|
|
gptkbp:bfsParent
|
gptkb:Explorer_I
|
|
gptkbp:bfsLayer
|
7
|