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Iridium · Communications

IRIDIUM 51

DecayedCommunicationsLEO

Relays voice, data, internet or broadcast signals between points on Earth.

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Launch

Launch date
March 25, 1998 at 05:01 PM UTC
Launch site
TAISC
Launched by
Long March 2C/SD →
Operator
China Aerospace Corporation
Mission
Iridium 51 & 61
Launch record
View full launch →

Orbit

Orbit regime
LEO
Apoapsis
165 km
Periapsis
149 km
Inclination
86.33°
Orbital period
87.63 min

Spacecraft

Operator
Iridium Communications
Launch mass
860 kg

Identity

COSPAR (Int'l)
1998-018A
NORAD catalog №
25262
Object type
Payload
Owner / operator
United StatesUnited States
Constellation
Iridium
Radar cross-section
3.151 m²
Status
Decayed
Decay / reentry
March 14, 2026

End of mission

Last active / ended
March 14, 2026
Time in service
28.0 years
Fate
Reentered Earth's atmosphere and was destroyed.
Final status
Decayed

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