gptkbp:instance_of
|
gptkb:satellite
|
gptkbp:application
|
broadcasting services
|
gptkbp:communication
|
broadband services
voice and data services
|
gptkbp:control_system
|
Beijing Control Center
|
gptkbp:coverage
|
gptkb:China
|
gptkbp:data_transmission
|
two-way data transmission
|
gptkbp:data_usage
|
high data rate
|
gptkbp:design
|
15 years
|
gptkbp:end_of_life
|
2023-12-25
|
gptkbp:frequency
|
C band
|
gptkbp:has_reception
|
2009-01-01
|
gptkbp:home_ground
|
multiple ground stations
|
https://www.w3.org/2000/01/rdf-schema#label
|
China Sat 21
|
gptkbp:launch_date
|
gptkb:2008
2008-12-25
|
gptkbp:launch_mass
|
5000 kg
|
gptkbp:launch_price
|
estimated at $50 million
|
gptkbp:launch_site
|
gptkb:Xichang_Satellite_Launch_Center
|
gptkbp:launch_vehicle
|
gptkb:Long_March_3_B
|
gptkbp:manufacturer
|
gptkb:China_Academy_of_Space_Technology
|
gptkbp:mass
|
5000 kg
|
gptkbp:mission_type
|
commercial mission
|
gptkbp:operator
|
China Satellite Communications Corporation
|
gptkbp:orbit_type
|
gptkb:geostationary_orbit
15 years
modular design
geostationary satellite
DFH-4 bus
C band frequency
part of China Sat network
|
gptkbp:orbital_altitude
|
110.5° E
|
gptkbp:payload_capacity
|
communications payload
|
gptkbp:powers
|
solar power system
|
gptkbp:production_location
|
gptkb:China
|
gptkbp:purpose
|
providing telecommunications services
|
gptkbp:regulatory_compliance
|
gptkb:Ministry_of_Industry_and_Information_Technology_of_China
|
gptkbp:release_country
|
gptkb:China
|
gptkbp:revenue
|
commercial telecommunications revenue
|
gptkbp:service_area
|
Asia-Pacific region
|
gptkbp:service_type
|
fixed satellite service
|
gptkbp:services_provided
|
gptkb:China_Telecom
|
gptkbp:status
|
operational
|
gptkbp:storage
|
high data capacity
|
gptkbp:successor
|
gptkb:China_Sat_22
|
gptkbp:technology
|
digital communication technology
|
gptkbp:transmission
|
high transmission power
|
gptkbp:transponders
|
30 transponders
|
gptkbp:bfsParent
|
gptkb:China_Sat_series_satellites
|
gptkbp:bfsLayer
|
8
|