|
gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:collaborations
|
gptkb:battle
|
|
gptkbp:communication
|
Two-way communication
High data transmission rates
Data relay for low Earth orbit satellites
High-capacity communication link
Relay for NASA missions
|
|
gptkbp:controls
|
NASA control center
|
|
gptkbp:covered_by
|
Global coverage
|
|
gptkbp:data_usage
|
up to 300 Mbps
|
|
gptkbp:design
|
15 years
|
|
gptkbp:elevation
|
Geostationary Orbit
|
|
gptkbp:frequency
|
S-band
Ka-band
|
|
gptkbp:healthcare
|
Real-time telemetry
|
|
gptkbp:home_ground
|
gptkb:White_Sands_Complex
Multiple ground stations
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
TDRS-21
|
|
gptkbp:launch_date
|
2000-01-12
|
|
gptkbp:launch_site
|
gptkb:Cape_Canaveral_Air_Force_Station
|
|
gptkbp:launch_vehicle
|
gptkb:Atlas_IIAS
3,000 kg
|
|
gptkbp:launched
|
2000-01-12 to 2000-01-12
|
|
gptkbp:manufacturer
|
gptkb:Hughes_Space_and_Communications
|
|
gptkbp:market
|
Estimated at $200 million
|
|
gptkbp:mass
|
3,000 kg
|
|
gptkbp:mission
|
gptkb:aircraft
gptkb:Boeing_601_bus
gptkb:Boeing_601
Modular design
Operational status
Relay satellite
Communications and tracking
Part of TDRS network
Part of TDRS program
Support NASA's space operations
|
|
gptkbp:mission_duration
|
Ongoing
|
|
gptkbp:operated_by
|
gptkb:NASA
|
|
gptkbp:orbital_inclination
|
0 degrees
|
|
gptkbp:orbital_period
|
24 hours
|
|
gptkbp:power_output
|
Solar Panels
|
|
gptkbp:primary_function
|
Tracking and Data Relay
|
|
gptkbp:propulsion
|
Power generation from solar panels
|
|
gptkbp:provides_information_on
|
Data link to ground stations
|
|
gptkbp:reliability
|
gptkb:High
|
|
gptkbp:seating_capacity
|
3,000 kg
Communications payload
|
|
gptkbp:series
|
gptkb:TDRS-26
gptkb:TDRS-1
|
|
gptkbp:services
|
gptkb:NASA_Goddard_Space_Flight_Center
15 years
TBD
2000-01-12
|
|
gptkbp:status
|
Active
Operational
|
|
gptkbp:storage
|
Onboard data storage
|
|
gptkbp:successor
|
gptkb:TDRS-22
|
|
gptkbp:track
|
Advanced tracking system
Global tracking capability
Provides tracking data
|
|
gptkbp:transponders
|
Multiple transponders
|
|
gptkbp:bfsParent
|
gptkb:Tracking_and_Data_Relay_Satellite_System_(TDRSS)
|
|
gptkbp:bfsLayer
|
5
|