On September 6th at 04:43 Baikonur time (or 07:43 Tokyo time, or on September 5th at 22:43 hours GMT or 18:43 EDT), JCSAT-11 will be hoisted into space by a four-burn ILS Proton M/Breeze M rocket. From Launch Pad 39 at Baikonur Cosmodrome in Kazakhstan, this Lockheed Martin Commercial Space Systems built satellite will provide JSAT Corporation with multipurpose communications capabilities as a critically-needed backup vehicle for the JSAT fleet, providing coverage over Japan, the Asia-Pacific region, Oceania and Hawaii.
The Proton’s first three stages will use a standard ascent trajectory to place the fourth stage, with satellite, into a suborbital trajectory. Then, a burn into a circular reference (or, parking) orbit of 192 km (119.3 miles) with an inclination of 51.5 degrees will follow. Additional burns of the Breeze M will then propel the satellite into its transfer orbit, with perigee, lower inclination and circularization of the orbit performed through a series of liquid apogee engine burns after the JCSAT-11 separates from the Breeze M, occurring approximately 6 hours and 56 minutes after liftoff. The geostationary altitude will be 35,786 km (22,236 miles).
The JCSAT-11 packs 30 active Ku-band and 12 active C-band transponders and has a service life expectation of 15 years. International Launch Services (ILS) is providing launch services. Live webcast and general mission information are all available at the ILS web site, https://www.ilslaunch.com—McLean, Virginia
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