PADAriane Launch Area 3
SITEGuiana Space Centre, French Guiana →ORBITGeostationary Transfer Orbit
TYPECommunications
MISSION OVERVIEW
Intelsat 37e is a geostationary communications satellite for Intelsat, another one of the EpicNG series. It weighs about 6700 kg and is equipped with C-band, Ku-band and Ka-band transopnders. Intelsat 37e is a replacement for the Intelsat 901 spacecraft in the 18° W orbital slot, covering Europe, Africa, South America and North America.
BSAT-4a is a geostationary communications satellite for the Japanese satellite operator B-SAT. Satellite is equipped with 24 Ku transponders and weighs about 3500 kg. It is to reside in 110° East orbital position, providing high-resolution direct television broadcasting to Japan.
LAUNCH DETAILS
VEHICLE
Ariane 5 ECAAGENCY
ArianespaceMISSION
Intelsat 37e & BSAT-4a
MISSION TYPE
Communications
TARGET ORBIT
Geostationary Transfer Orbit
LAUNCH PAD
Ariane Launch Area 3LAUNCH SITE
Guiana Space Centre, French GuianaCOUNTRY
FRA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: ac492fe8-2ac6-488c-88c3-e5470687544f
Reported date: Sep 29, 2017 at 21:56 UTC
Last synced: 11 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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PAYLOAD →
Intelsat Epic
Communications
IntelsatOPERATOR
GEO · 35,786 kmORBIT
6,300 kgMASS
14TOTAL LAUNCHES
LIVE TRACKING AVAILABLE
VEHICLE — Ariane 5 ECA →
MANUFACTURER
ArianeGroup
VARIANT
ECA
FLIGHTS
73
SUCCESSES
71
SUCCESS RATE
97.3%
Ariane 5 is a heavy-lift launch vehicle, part of the Ariane rocket family.
FREQUENTLY ASKED QUESTIONS
When is the Ariane 5 ECA | Intelsat 37e & BSAT-4a launch?
The Ariane 5 ECA | Intelsat 37e & BSAT-4a is scheduled for Friday, September 29, 2017 at 9:56 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Intelsat 37e & BSAT-4a?
The Ariane 5 ECA | Intelsat 37e & BSAT-4a mission uses the Ariane 5 ECA rocket, manufactured by ArianeGroup. The Ariane 5 ECA has flown 73 times with a 97.3% success rate.
Where is the Ariane 5 ECA | Intelsat 37e & BSAT-4a launching from?
The launch takes place from Ariane Launch Area 3 at Guiana Space Centre, French Guiana.
What orbit is Intelsat 37e & BSAT-4a going to?
The Intelsat 37e & BSAT-4a mission is targeting Geostationary Transfer Orbit.
Who is launching Intelsat 37e & BSAT-4a?
The Ariane 5 ECA | Intelsat 37e & BSAT-4a is operated by Arianespace.
Can I watch the Ariane 5 ECA | Intelsat 37e & BSAT-4a launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 20:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:33 UTC
Launch date set: Sep 29, 2017 at 21:56 UTC
NET (No Earlier Than) confirmed by Arianespace
Mar 28, 2026 20:33 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 11 minutes ago
●Launch Library 211 minutes ago
Launch ID: ac492fe8-2ac6-488c-88c3-e5470687544f
●Open-Meteo Weather1 hour ago
Pad weather at 5.24, -52.77
●YouTube Video Search2 weeks ago
4 videos discovered
