The Sea-Launch Zenit-3SL vehicle launched from a mobile platform in the equatorial Pacific Ocean at 2:55 a.m. EDT on Aug 18 (06:55 GMT on Aug 19) has successfully delivered the Intelsat 21 satellite to a the destination orbit after 30-minutes mission. Satellite signal was acquired at 3:52 a.m. EDT.
Due to the failure of Breeze-M upper stage both satellites were left on off-nominal intermediate orbit. 3rd burn of the Breeze M main engine occurred as scheduled but it was cut off within 7 seconds instead of the nominal 18 minutes and 5 seconds.
Arianespace’s Ariane 5 launched from the Spaceport in French Guiana today has successfully delivered the Intelsat 20 and HYLAS 2 satellites to geostationary transfer orbit after 34 minutes mission. It was the milestone 50th consecutive successful Ariane 5 heavy-lift launcher flight!
The ILS Proton/Breeze-M launched from Pad 24 at 12:38 a.m. today local time (2:38 p.m. EDT, 18:38 GMT on July 9) has successfully delivered SES-5 satellite to a geostationary transfer orbit. Built by Space Systems/Loral and based on the flight-proven SS/L 1300 platform the satellite has separated exactly after 9 hours, 12 minutes mission.
Arianespace with its third Ariane 5 mission of 2012 has successfully delivered the mixed payload of telecommunications (Echostar XVII) and meteorological (MSG-3) spacecrafts into geostationary transfer orbit during a 34-minute flight.