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