Intelsat 8 deorbit n

NOTICE submitted by Intelsat License LLC

Intelsat 8 De-orbit Notice

2016-12-28

This document pretains to SAT-MOD-20151021-00073 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2015102100073_1162745

INTELSAT Envision. Connect. Transform. December 28, 2016 Ms. Marlene H. Dortch Secretary Federal Communications Commission 445 12"" Street, S.W. Washington, DC 20554 Re: Intelsat 8, Call Sign: $2460 Dear Ms. Dortch: Intelsat License LLC ("Intelsat") hereby notifies the Commission that it has successfully de—orbited its Intelsat 8 satellite through an emergency procedure on December 26, 2016. On December 25, 2016, Intelsat 8 lost all power from the north solar array, which resulted in the inability to keep the payload operational and recharge the satellite batteries. As a result of this anomaly, Intelsat decided to de—orbit the satellite through an emergency procedure. The final measured orbit of the Intelsat 8 satellite is 1603 km above the geostationary arc, with an apogee and perigee of 3043.1 km and 165 km above the arc, respectively. Intelsat depleted the propellant tanks to the best ofits ability before power to the satellite ran out, and while it believes the Ox has been successfully vented, there is still some fuel remaining onboard. In the course of de—orbiting the satellite, Intelsat discharged the batteries, disconnected the power from the bus, and shut off the transmitters. Please do not hesitate to contact the undersigned should you have any questions. Respectfully submitted, Cynthia J. Grady Q/é/fi Regulatory Counsel Intelsat Corporation Co: Jose Albuquerque Karl Kensinger Kathyrn Medley Stephen Duall Jay Whaley Cindy Spiers Intelsat Corporation 7900 Tysons One Place, McLean, VA 22102—5972 USA www.intelsat.com T +1 703—559—6800


Document Created: 2019-04-10 14:42:41
Document Modified: 2019-04-10 14:42:41
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