Orbital Sciences Corporation
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©2014 Orbital Sciences Corporation FS002_11_2998
Iridium NEXT
Specications
Spacecraft
Launch Mass: 800 kg (1,764 lb.)
Solar Array: 2,000 W
Orbital Altitude: 780 km (485 mi)
Stabilization: 2-axis
Mission Life: 10 year design and 15 year mission life
Communications
Regenerative processing payload with On-Board Processor (OBP)
L-band
• Single 48-beam transmit/receive phased array antenna
• Time-Division Duplex (TDD) architecture
Ka-band
• Two 20/30 GHz steerable feeder links to terrestrial gateways
• Four 23 GHz crosslinks to adjacent Iridium NEXT satellites for relay
communications
• Two steerable, two xed antennas
• Time-Division Duplex (TDD) architecture
TT&C
• 20/30 GHz links via omni antennas
Launch
Launch Vehicle: TBD
Site: TBD
Date: 2015-2017
More Information
Iridium – Civil
Dr. Om P. Gupta
Director, Strategic Market Development
Iridium – Military
John Campbell, Lt. Gen., USAF (Ret.)
Executive Vice President, Government Programs
Orbital
Daniel Brophy
Sr. Program Director
Mission Partners
Iridium Communications Inc
Owner/operator of the Iridium System
Thales Alenia Space
Prime contractor for the Iridium NEXT satellite system
Orbital Sciences Corporation
Assembly, integration and test of the 81 satellites including primary
and hosted payloads, shipment and launch integration services
Hosted Payloads
The Iridium NEXT spacecraft design allows for up to a 50-kilogram
hosted payload. Hosted payloads enjoy the interconnectivity of the
66 satellite Iridium network and near-real time relay of data to and
from space, providing the end user global coverage at a fraction
of the price of a dedicated mission. The end user receives hosted
payload data via an IP interface to Iridium facilities, which obviates
the need for any customer owned ground stations. Additional
benets to hosted payload missions include persistence, revisit
capabilities and resilience.
Total Mass: Up to 50 kg
Dimensions: 30 x 40 x 70 cm
Power: 50 W Average, 200 W Peak
Data Rate: Up to 1 Mbps
(4 pages)
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