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Communications
INMARSAT 3-F5
Operational
Communications
GEO
Relays voice, data, internet or broadcast signals between points on Earth.
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Launch
Launch date
February 4, 1998 at 11:29 PM UTC
Launch site
Guiana Space Centre, Kourou
Launched by
Ariane 44LP →
Operator
Arianespace
Mission
Inmarsat-3 F5 & Brasilsat B3
Launch record
View full launch →
Orbit
Orbit regime
GEO
Apoapsis
35,806 km
Periapsis
35,768 km
Inclination
9.68°
Orbital period
1436.13 min
Spacecraft
Operator
INMARSAT, Ltd.
Manufacturer
Lockheed Martin Commercial Space Systems
Users
Commercial
Launch mass
2,000 kg
Dry mass
895 kg
Power
2,800 W
Design lifetime
13 years
Identity
COSPAR (Int'l)
1998-006B
NORAD catalog №
25153
Object type
Payload
Owner / operator
Isle of Man
Radar cross-section
14.5 m²
Status
Operational