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SES-1

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description SES-1 Overview

SES-1 is a geostationary communications satellite operated by SES S.A., launched on April 24, 2010, aboard an ILS Proton-M rocket from Baikonur Cosmodrome. Built by Orbital Sciences Corporation, the satellite is positioned at 101 degrees west longitude and provides C-band and Ku-band communications services. It serves cable television distribution, broadband, and broadcast markets across North America, replacing earlier SES satellites at that orbital position.

help SES-1 FAQ

What kind of satellite is SES-1, and where was it positioned?

SES-1 is a geostationary communications satellite operated by SES and designed for the 101 degrees west orbital slot. Its C-band and Ku-band payloads were intended to serve North American communications customers.

When and how was SES-1 launched?

The satellite launched on 24 April 2010 from Baikonur Cosmodrome on an ILS Proton-M with a Breeze-M upper stage. Orbital Sciences Corporation built the spacecraft for SES World Skies.

What did SES-1 replace at 101 degrees west?

SES-1 replaced the AMC-2 and AMC-4 spacecraft at 101 degrees west as part of SES World Skies' North American fleet. The mission targeted enterprise, government, and media customers, not only television distribution.

What is the difference between SES-1's C-band and Ku-band payloads?

Both are radio-frequency bands used to relay communications, but SES-1 carried separate C-band and Ku-band transponders for different coverage and link requirements. Satellite listings describe the spacecraft as having 24 active C-band and 24 active Ku-band transponders.

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