Delta II
SuccessIridium 50, 52, 53, 54, 56 · United States Air Force
Launch time (NET)
Wednesday, Feb 18, 1998, 13:58 UTC
Launch window
Wednesday, Feb 18, 1998, 13:58 UTC – Wednesday, Feb 18, 1998, 13:58 UTC
Provider
United States Air Force
Rocket
Launch pad
Space Launch Complex 2W, Vandenberg SFB, CA, USA · Open map
Status
Success
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Mission
Iridium 50, 52, 53, 54, 56
Type
Communications
Orbit
Low Earth Orbit (LEO)
Iridium provides global mobile telecommunications services using a constellation of 66 low earth orbit satellites in a 86.4° inclined orbit. Although 77 satellites were originally envisioned for the system and spawned the name based on the 77th element in the periodic table, the system has been scaled back. Motorola's Satellite Communications Group designed and manufactured the Iridium satellites with Lockheed Martin providing the LM-700A spacecraft buses.
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