Iridium Successfully Launches First Iridium NEXT Satellites
Iridium Communications announced the successful launch of its first ten Iridium NEXT satellites.
The satellites were delivered into low-Earth orbit approximately one hour after the SpaceX Falcon 9 rocket lifted off from Vandenberg Air Force Base in California at 9:54:39 a.m. PST. Iridium NEXT is the company’s next-generation satellite constellation, replacing and enhancing its existing network of low-Earth orbit satellites spanning the entire globe – the largest commercial satellite constellation in space.
This is the start of a series of Iridium NEXT launches scheduled over the next 18 months, and marks the beginning of one of the biggest “tech refreshes” in history, completely replacing the only satellite constellation providing 100-percent truly global communications coverage. Once fully deployed, Iridium NEXT will enable a new broadband multi-service capability called Iridium CertusSM, while providing the technical flexibility to support innovative new services and technologies from Iridium’s extensive partner network. Among those technologies is a unique hosted payload from Iridium’s partner Aireon, which will provide a real-time global aircraft surveillance service, extending aircraft visibility across the planet.
The first ten Iridium NEXT satellites were delivered to a 625 kilometer (km) temporary parking orbit where they will be tested and exercised by Iridium over the coming weeks. Upon meeting testing and validation requirements, the satellites will then be moved into their 780km operational orbit and begin providing service to Iridium’s customers. One-by-one, the new satellites will be positioned near a current generation satellite, each moving at approximately 17,000 miles per hour as testing begins. Iridium’s unique inter-satellite communication links from nearby satellites will be repositioned to point to the new Iridium NEXT satellite as it prepares to take over service. Existing satellites will eventually be de-boosted and de-orbited.
Both Thales Alenia Space, System Prime Contractor for the program, and their subcontractor for production, Orbital ATK, have been integral in the development of the Iridium NEXT program, from the design and manufacturing of the Iridium NEXT satellite vehicles to managing an 18-station, state-of-the-art assembly line production system.
In addition to partnering with Thales Alenia Space as System Prime Contractor, Iridium has partnered with SpaceX for the launch of 70 Iridium NEXT satellites on its Falcon 9 rocket.
Iridium and SpaceX are partnered for a series of seven launches, deploying ten Iridium NEXT satellites at a time. The next major milestone will be the completion of on-orbit testing of these satellites, to validate performance requirements are met. The second Iridium NEXT launch will be scheduled after this testing is completed, in April. The entire Iridium NEXT network is scheduled to be completed by mid-2018.