ARIANESPACE

Ariane 5 ECA | ViaSat-2 & EUTELSAT 172B

SUCCESS Ariane 5 ECA →
—
—
Jun 1, 2017 at 23:45 UTC
Geostationary Transfer Orbit Communications Guiana Space Centre, French Guiana 97% success
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Live Orbit
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▶ REPLAY
3 streams
Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PADAriane Launch Area 3
SITEGuiana Space Centre, French Guiana →
ORBITGeostationary Transfer Orbit
TYPECommunications
MISSION OVERVIEW

ViaSat-2 is a commercial communications satellite with an estimated capacity of 350 Gbit/s. The satellite will provide satellite internet to North America, parts of South America, the Caribbean, and the Atlantic Ocean.
Eutelsat 172B is a communications satellite featuring a C-band, a Ku-band and a high throughput payload and all electric orbital raising. It is to reside in 172° East, where it will provide coverage of the Asia-Pacific.

LAUNCH DETAILS
VEHICLE
Ariane 5 ECA
AGENCY
Arianespace
MISSION
ViaSat-2 & EUTELSAT 172B
MISSION TYPE
Communications
TARGET ORBIT
Geostationary Transfer Orbit
LAUNCH PAD
Ariane Launch Area 3
LAUNCH SITE
Guiana Space Centre, French Guiana
COUNTRY
FRA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Half-year
LAUNCH LIBRARY 2 PRIMARY
API ID: f92e838b-3997-4b21-9b7e-86c057e80efb
Reported date: Jun 1, 2017 at 23:45 UTC
Last synced: 7 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 →
Eutelsat
Communications
EutelsatOPERATOR
GEOORBIT
4TOTAL LAUNCHES
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.

LAUNCH VIDEOS
ARTICLES & COVERAGE
🔗 Flight VA237 u2013 ViaSat-2 / EUTELSAT 172B | Ariane 5 Launch | Arianespace🔗 Du00e9collage d'Ariane 5 le 1er juin depuis le CSG🔗 Liftoff of Arianespaceu2019s Ariane 5 with ViaSat-2 and EUTELSAT 172B
FREQUENTLY ASKED QUESTIONS
When is the Ariane 5 ECA | ViaSat-2 & EUTELSAT 172B launch?
The Ariane 5 ECA | ViaSat-2 & EUTELSAT 172B is scheduled for Thursday, June 1, 2017 at 11:45 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 ViaSat-2 & EUTELSAT 172B?
The Ariane 5 ECA | ViaSat-2 & EUTELSAT 172B 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 | ViaSat-2 & EUTELSAT 172B launching from?
The launch takes place from Ariane Launch Area 3 at Guiana Space Centre, French Guiana.
What orbit is ViaSat-2 & EUTELSAT 172B going to?
The ViaSat-2 & EUTELSAT 172B mission is targeting Geostationary Transfer Orbit.
Who is launching ViaSat-2 & EUTELSAT 172B?
The Ariane 5 ECA | ViaSat-2 & EUTELSAT 172B is operated by Arianespace.
Can I watch the Ariane 5 ECA | ViaSat-2 & EUTELSAT 172B 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: Jun 1, 2017 at 23:45 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: 7 minutes ago
●Launch Library 27 minutes ago
Launch ID: f92e838b-3997-4b21-9b7e-86c057e80efb
●Open-Meteo Weather3 days ago
Pad weather at 5.24, -52.77
BROWSE BY
Arianespace219 launchesAriane193 launchesGuiana Space Centre, French GuianaLaunch Site
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Mission Profile

ViaSat-2 & EUTELSAT 172B was a Ariane 5 ECA mission operated by Arianespace that lifted off from Ariane Launch Area 3, Guiana Space Centre, French Guiana on June 1, 2017. The flight carried its payload on a communications mission to Geostationary Transfer Orbit. The launch was a success.

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