Communication satellite built by Lockheed Martin for SES Sirius AB (ex Nordiska Satellitaktiebolaget, NSAB), Sweden. Launched 2007. Used the A2100AXS bus.
AKA: Astra 4A. First Launch: 2007-11-17. Last Launch: 2007-11-17. Number: 1 . Gross mass: 4,385 kg (9,667 lb).