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Communications

INMARSAT 3-F1

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Backup / standbyCommunicationsGEONORAD 23839

INMARSAT 3-F1 is a Isle of Man communications satellite, launched on April 3, 1996 into GEO.

Launch

Launch date: April 3, 1996 at 11:01 PM UTC
Launch site: Cape Canaveral SFS, USA
Launched by: Atlas IIA →
Operator: Lockheed Martin
Mission: INMARSAT III F-1
Launch record: View full launch →

Orbit

Orbit regime: GEO
Apoapsis: 35,884 km
Periapsis: 35,853 km
Inclination: 10.59°
Orbital period: 1440.3 min
Orbit data fetched: October 13, 2026 at 01:20 PM UTC

Spacecraft

Operator: Isle of Man
Launch mass: 1,090.19 kg
Dimensions: 1.8 × 1.7 × 1.7 m

Identity

COSPAR (Int'l): 1996-020A
NORAD catalog №: 23839
Object type: Payload
Owner / operator: Isle of Man
Radar cross-section: 1.1784 m²
Status: Backup / standby