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Ariane 5’s sixth launch of 2010

29 December 2010
This evening, an Ariane 5 launcher lifted off from Europe’s Spaceport on a journey to place two telecommunications satellites,
Hispasat-1E and Koreasat-6, into their planned transfer orbits.
Flight V199 was the sixth Ariane 5 launch of 2010 and the last of the year.

Liftoff of the 55th Ariane 5 mission came at 22:27 CET (21:27 GMT; 18:27 French Guiana).
The target injection orbit had a perigee altitude of 250 km, an apogee altitude at injection of 35 786 km and an inclination of 3o.

The satellites were accurately injected into their transfer orbits about 27 minutes and 34 minutes after liftoff, respectively.

Hispasat-1E will be positioned in ‘geostationary orbit’ above the equator at 30oW. It will provide direct-to-home television,
digital terrestrial television and high-definition television services, as well as value-added broadband services to mobile, land and maritime users.

Koreasat-6, to be positioned over 116oE, carries 24 Ku-band channels to provide Fixed Satellite Services and six channels for Direct Broadcast Services.

Satellites in a circular orbit over the Equator at an altitude of 35 800 km keep pace with Earth’s rotation and appear stationary when observed from Earth, hence 'geostationary'.

The payload mass for this launch was 9259 kg; the satellite masses totalled 8170 kg, with payload adapters and dispensers making up the additional 1089 kg.

http://www.esa.int/esaCP/SEM7ZDXR3IG_index_0.html
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