Photos: Proton lifted atop launch pad


Posted: November 22, 2011

A Proton rocket rolled to its Kazakhstan launch pad Tuesday with a four-ton broadcasting satellite built to serve the Asia-Pacific region.

The 191-foot-tall launch vehicle rolled out of an assembly hall early Tuesday on rails and arrived at the pad a few hours later. A hydraulic arm lifted the silver and white booster vertical on the pad.

Liftoff is scheduled for Friday at 1910 GMT (2:10 p.m. EST).

The mission's payload is the 8,406-pound AsiaSat 7 satellite. Built in California by Space Systems/Loral, the spacecraft features C-band, Ku-band and Ka-band communications equipment to serve the Asia-Pacific.

AsiaSat 7 will support television broadcasting and VSAT and corporate networks. The satellite will be operated by AsiaSat of Hong Kong.

The Proton rocket's three core stages will loft a Breeze M upper stage and AsiaSat 7 into space in less than 10 minutes, then the hydrazine-fueled Breeze M will ignite four times to inject the payload into an oval-shaped transfer orbit high above Earth.

The rocket is targeting a separation orbit with a high point of 22,112 miles, a low point of 8,583 miles, and inclination of zero degrees. Deployment of AsiaSat 7 is expected 9 hours, 13 minutes after liftoff.

Credit: Roscosmos

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