Ariane 6 • Sentinel-1D

October 6, 2025 Will Robinson-Smith

An Ariane 6 rocket from Ariancespace, mission designation VA265, launched the Sentinel-1D satellite into a Sun-synchronous orbit at an altitude of 693 km (431 mi). Sentinel-1D is part of the Earth observation component of the European Union’s Space Programme. This was the fourth launch of an Ariane 6 rocket.