Ariane-5 flight 204 launch window for ARABSAT 5C and SES 2 satellites is set. Launch will take place between the 84-minute launch window which opens at 21:40 GMT and closing at 23:04 GMT on September 9.
Next satellite launches planned with Proton rockets have been suspended due to EXPRESS AM4 launch anomaly. Russian State Comission is working on the reasons of the launch anomaly. New dates will be determined belonging the investigation report of the comission.
Proton Briz-M rocket which lifted off at 21:25 GMT (August 17) has failed to release EXPRESS AM4 satellite into orbit. According to RIA Novosti, contact with Briz-M upper stage ceased around 04:00 GMT on August 18.
Long March-3B satellite carrier successfully launched PAKSAT 1R communications spacecraft for Islamic Republic of Pakistan. Lift-off occured at 16:15 GMT from Xichang Satellite Launch Center, China.
PAKSAT 1R weighed 5115kg at launch and is based on DFH-4 [DongFangHong-4] platform with 18 Ku and 12 C band transponders onboard. PAKSAT 1R will be brought into geosynchronous orbit in next days. After completion of in-orbit tests at 33.5 East it will be stationed on its final orbital position at 38 East. PAKSAT 1R is planned to be in service for 15 years according to info given by China Great Wall Industry Corporation.
EXPRESS AM4 launch time has been announced by Russian Federal Space Agency (ROSKOSMOS). Russia will launch its new and the heaviest communications satellite ever manufactured at 21:25 GMT on 17 August 2011 from Baikonur Cosmodrome.
Ariane-5 rocket has successfully orbited two communications satellites into geosynchronous transfer orbit. Ariane-5 was lifted off from the Guiana Space Center at 22:52 GMT on August 6. SES owned ASTRA 1N has been released from the launcher 27 minutes after lift off. The second passenger on this mission, Japanese joint-venture satellite BSAT-3C/JCSAT-110Rwas brought into orbit 10 minutes later.
International Launch Services and Inmarsat signed contract for launching all three INMARSAT 5 satellites with Proton rockets. Launches will be done in 2013 and 2014. Each satellite will weigh about 6300 kg at launch.