Shijian-21

GPTKB entity

Statements (59)
Predicate Object
gptkbp:instance_of gptkb:satellite
gptkbp:analysis data analyzed for trends
gptkbp:collaborations limited
gptkbp:collection collects data on debris
gptkbp:communication real-time data transmission
advanced communication system
gptkbp:community scientific and governmental organizations
gptkbp:country gptkb:China
gptkbp:data_type standardized data format
gptkbp:data_usage used by researchers and government
gptkbp:design 3 years
gptkbp:developer gptkb:China_Academy_of_Space_Technology
gptkbp:elevation approximately 36,000 km
gptkbp:exhibited_at gptkb:battle
gptkbp:first_flight gptkb:2020
gptkbp:frequency L-band
S-band and X-band
gptkbp:home_ground gptkb:Beijing_Aerospace_Control_Center
https://www.w3.org/2000/01/rdf-schema#label Shijian-21
gptkbp:instrumentation gptkb:battle
gptkbp:is_monitored_by gptkb:battle
gptkbp:launch_date gptkb:2020
2020-10-24
gptkbp:launch_site gptkb:Taiyuan_Satellite_Launch_Center
gptkbp:launch_vehicle gptkb:Long_March_family
gptkb:Long_March_4_B
3000 kg
gptkbp:lifespan designed for long-term operation
gptkbp:market not publicly disclosed
gptkbp:mass approximately 3000 kg
gptkbp:mission gptkb:satellite
not publicly disclosed
monitoring space debris
launched successfully
mission deemed successful
experimental and monitoring
remote mission control
gptkbp:mission_duration 5 years
gptkbp:operator gptkb:China
gptkbp:orbital_inclination approximately 0 degrees
gptkbp:orbital_period 24 hours
requires periodic maintenance
monitored for orbital decay
gptkbp:propulsion gptkb:satellite
modular design
solar power
gptkbp:provides_information_on data shared with international partners
gptkbp:purpose space debris monitoring
gptkbp:regulatory_compliance complies with international regulations
gptkbp:research supports scientific research
gptkbp:restoration no recovery system
gptkbp:seating_capacity not publicly disclosed
sensors for debris tracking
gptkbp:status operational
gptkbp:successor gptkb:Shijian-22
gptkbp:track optical and radar tracking
gptkbp:type experimental satellite
gptkbp:bfsParent gptkb:Shijian_Satellites
gptkbp:bfsLayer 5