Next Largest Operational Constellations

Iridium NEXT operates a constellation of 66 active satellites providing global voice and narrowband data coverage, with 9 in-orbit spares.

Sources

• Iridium NEXT: a constellation of 66 operational satellites that will make history
• Iridium Satellites 2026: 66 LEO Sats, Pole-to-Pole - Orbital Radar
• Iridium NEXT: The Flash-Free Replacement Constellation | Orbital Radar
• Iridium NEXT - eoPortal
• Iridium satellite constellation - Wikipedia

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