april, 2018

05apr21:34Ariane 5 (VA242) • DSN-1 & Hylas 4Early April 2018

Event Details

Launch Date: April 5, 2018
Launch Window:  21:34-22:24 UTC
Launch Vehicle: Ariane 5 ECA
Launch Operator: Arianespace
Launch Site: ELA-3, Guiana Space Center, French Guiana
Payloads: DSN-1 / Superbird-8
Hylas 4
Spacecraft Manufacturer: Mitsubishi Electric / Orbital ATK
Satellite Operators: DSN Corp. / Intelsat


Europe’s Ariane 5 rocket will launch the DSN-1 and Hylas 4 telecommunications satellites into Geostationary Transfer Orbit for operators Intelsat and Japan’s SKY Perfect JSAT and DSN Corporation. DSN-1 joins the Japanese DSN constellation comprising two Geostationary Satellites providing secure communications capacity in X-Band for use by the Japanese government and armed forces. Part of DSN-1’s payload, designated Superbird 8, comprises Ku and Ka-Band transponders for commercial use. Hylas 4, built by Orbital ATK, is  high-throughput broadband communications satellites delivering 28 GHz of capacity via 66 fixed Ka-Band beams positioned over Africa and Europe with four steerable beams that can service additional markets in Africa and Latin America.


Mission Resources:

Mission Updates

? Live Launch Coverage

? Payload Overview: Superbird-8/DSN-1

? Payload Overview: HYLAS 4

? Launch Vehicle Overview: Ariane 5 ECA

Countdown Timeline

Flight Profile

Launch Weather

? Launch Site Schedule


(Thursday) 21:34 UTC


ELA-3 Guiana Space Center

Centre Spatial Guyanais, Kourou 97387, Französisch-Guyana