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// communications · 2013

Inmarsat-4A F4

Geostationary communications satellite. Inmarsat-4A F4 was launched on July 25, 2013 aboard a Ariane 5ECA from Kourou. Latest status in GCAT: in orbit.

COSPAR 2013-038ANORAD 39215United Kingdom

Identity

Name in GCAT
Inmarsat 4A F4
Common name
Inmarsat-4A F4
Payload designation
Alphasat
Other names
I-XL,I-4A F4
International designator
2013-038A
NORAD catalog number
39215
GCAT identifier
S39215
UN registration
ST/SG/SER.E/690

Mission

Mission type
Communications
Use
Civil government / Commercial
Program
Inmarsat 4
Owner
INMARSAT-Ltd
Country
United Kingdom
Builder
Astrium (F) Toulouse
Platform (bus)
AlphaBus

Launch

Date
July 25, 2013 · 19:54 UTC
Launch record
2013-038Success
Spaceport
Kourou · pad ELA3

Orbit and fate

Orbit class (GCAT)
GEO/D
Perigee
35,703 km
Apogee
35,806 km
Inclination
0.02°
Status
In orbit
Last known active
Feb 11, 2023

Size

Mass
6,650 kg
Dry mass
3,500 kg
Length
7.1 m
Diameter
2.50 m
Span
40.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q1028735 (CC0).