Photo: Bill Ingalls · Public domain (US government)

SES-17 & Syracuse 4A

Success Arianespace, Ariane 5 ECA+

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Mission

Communications · GTO

SES-17 is a Ka-band high-throughput geostationary communications satellite built by Thales Alenia Space designed to provide mobile internet services to airline passengers over the Americas and the Atlantic Ocean. Syracuse 4A is a French military communications satellite built by Thales Alenia Space.

What it put in orbit

ObjectTypeOrbitGlobe
SES-17 2021-095A Payload 35783 × 35791 km · 0.0° Globe
SYRACUSE 4A 2021-095B Payload 35781 × 35796 km · 0.0° Globe
ARIANE 5 DEB [SYLDA] 2021-095C Debris re-entered 2026-06-30
ARIANE 5 R/B 2021-095D Rocket body 262 × 31973 km · 5.5° Globe

COSPAR ID 2021-095 (data from GCAT, J. McDowell, CC BY 4.0). Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).

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