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Arianespace sets 17 June Ariane 6 launch for Amazon Leo: Ariane 64 to deploy 36 satellites with first use of upgraded P160C boos

Arianespace says its next Ariane 6 mission—on 17 June between 13:53 and 14:22 CET—will be its most powerful to date, launching Amazon Leo’s largest payload yet. The mission uses an Ariane 64 configuration with four P160C upgraded solid-propellant boosters for the first time, carrying 36 satellites for Amazon.

Discovered 2026-06-05T07:13:35.561232-07:00 | 2026-06-05T07:13:35.561232-07:00

Briefing

What Hype is tracking

This is a milestone for Amazon Leo’s network buildout: the next flight carries 36 satellites and is described as the largest payload for Amazon and for an Ariane 6 mission, reflecting the scale-up required for ongoing LEO broadband deployments.
The mission introduces upgraded hardware—Ariane 64 with four first-time P160C boosters—making it a key reference point for performance, reliability, and future Ariane 6 cadence as more large payloads are planned (see Amazon Leo (Project Kuiper) exits beta, targets mid-2026 commercial satellite internet launch).
It lands in the broader competitive throughput race across LEO operators already highlighted by prior Amazon Leo launches using other vehicles (e.g., ULA Atlas V to launch 29 Amazon Leo broadband satellites on May 28), underscoring how launch readiness directly impacts constellation rollout timing and capacity.

Reported By

Satellite Evolution actualidadaeroespacial.com orbitaltoday.com dailygalaxy.com raumfahrer.net aboutamazon.com