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gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:analysis
|
gptkb:battle
|
|
gptkbp:application
|
climate studies
|
|
gptkbp:collaborations
|
gptkb:battle
international
|
|
gptkbp:collection
|
gptkb:battle
|
|
gptkbp:communication
|
radio signals
telemetry
|
|
gptkbp:community
|
gptkb:battle
|
|
gptkbp:contribution
|
gptkb:battle
|
|
gptkbp:country
|
gptkb:Monarch
|
|
gptkbp:data_type
|
scientific data
atmospheric data
|
|
gptkbp:data_usage
|
gptkb:Research_Institute
|
|
gptkbp:decommissioned
|
gptkb:1972
|
|
gptkbp:design
|
gptkb:ESRO_satellite_series
|
|
gptkbp:duration
|
1 year
|
|
gptkbp:elevation
|
600 km
|
|
gptkbp:exhibited_at
|
gptkb:battle
|
|
gptkbp:home_ground
|
gptkb:Toulouse
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
ESRO 4
|
|
gptkbp:impact
|
gptkb:significant
influenced satellite design
|
|
gptkbp:instrument
|
spectrometers
|
|
gptkbp:is_considered
|
gptkb:battle
|
|
gptkbp:launch_date
|
gptkb:1971
1971-01-01
|
|
gptkbp:launch_site
|
gptkb:cape
|
|
gptkbp:launch_vehicle
|
150 kg
Delta D
|
|
gptkbp:legacy
|
gptkb:battle
paved the way for future missions
|
|
gptkbp:manufacturer
|
gptkb:European_Space_Research_Organisation
|
|
gptkbp:mass
|
150 kg
|
|
gptkbp:mission
|
gptkb:battle
1972-01-01
low Earth orbit
scientific
study ionosphere and atmosphere
|
|
gptkbp:mission_duration
|
1 year
|
|
gptkbp:operator
|
gptkb:European_Space_Research_Organisation
|
|
gptkbp:orbital_inclination
|
90 degrees
|
|
gptkbp:orbital_period
|
gptkb:battle
90 minutes
|
|
gptkbp:power_output
|
solar panels
|
|
gptkbp:provides_information_on
|
gptkb:battle
|
|
gptkbp:publishes
|
gptkb:battle
|
|
gptkbp:purpose
|
gptkb:satellite
|
|
gptkbp:replaced_by
|
gptkb:ESRO_5
|
|
gptkbp:research
|
improved atmospheric models
|
|
gptkbp:research_focus
|
ionosphere
|
|
gptkbp:scientific_goals
|
study the atmosphere
|
|
gptkbp:seating_capacity
|
gptkb:musician
|
|
gptkbp:series
|
gptkb:battle
|
|
gptkbp:speed
|
gptkb:battle
|
|
gptkbp:successor
|
gptkb:ESRO_5
|
|
gptkbp:bfsParent
|
gptkb:ESRO_satellites
|
|
gptkbp:bfsLayer
|
5
|