Properties (57)
Predicate | Object |
---|---|
gptkbp:instanceOf |
satellite
|
gptkbp:artifacts |
no longer in orbit
|
gptkbp:availableFormats |
digital format
|
gptkbp:collection |
passive remote sensing
|
gptkbp:communicationEquipment |
radio frequency communication
|
gptkbp:controls |
automatic control system
|
gptkbp:dataTransmission |
telemetry and command
|
gptkbp:dataUsage |
100 meters
scientific research restricted access onboard memory ground-based processing |
gptkbp:design |
3 years
modular design |
gptkbp:developer |
3 years
|
gptkbp:electronicSystems |
thermal control
|
gptkbp:firstAwarded |
yes
|
gptkbp:homeGround |
100 meters
|
https://www.w3.org/2000/01/rdf-schema#label |
Dong Fang Hong 4
|
gptkbp:imageStabilization |
scheduled passes
|
gptkbp:internationalCooperation |
none
|
gptkbp:is_monitored_by |
ground-based tracking stations
|
gptkbp:isRegardedAs |
reentered_atmosphere
|
gptkbp:launchDate |
December 26, 1975
part_of_Dong_Fang_Hong_program |
gptkbp:launched |
gptkb:China
successful successful deployment |
gptkbp:launchSite |
gptkb:Jiuquan_Satellite_Launch_Center
approximately 300 kg |
gptkbp:launchVehicle |
Long March 2A
|
gptkbp:manufacturer |
gptkb:China_Academy_of_Space_Technology
|
gptkbp:mission |
gptkb:Earth_observation_satellite
Low Earth Orbit remote sensing based on previous models |
gptkbp:missions |
2 years
monitoring_Earth's_surface |
gptkbp:operationalStatus |
decommissioned
1975 to 1977 |
gptkbp:orbitalInclination |
2 years
yes approximately 90 minutes approximately 90 degrees |
gptkbp:passenger_traffic |
varied by mission
|
gptkbp:payloadCapacity |
limited to scientific instruments
|
gptkbp:powers |
solar panels
|
gptkbp:primaryMission |
scientific instruments
|
gptkbp:purpose |
Earth_observation
|
gptkbp:recordings |
100 meters
|
gptkbp:reign |
over 10,000
|
gptkbp:researchContribution |
Earth_observation_data
|
gptkbp:scientificName |
multispectral camera
|
gptkbp:secondaryMission |
1977
|
gptkbp:successor |
gptkb:Dong_Fang_Hong_5
|
gptkbp:type |
optical imagery
|
gptkbp:weight |
approximately 300 kg
|