Live coverage: Proton fires into space with Eutelsat 9B

The GovSat 1 communications satellite for SES and the government of Luxembourg lifted off from Cape Canaveral’s Complex 40 launch pad at 4:25 p.m. EST (2125 GMT) Wednesday.

A Russian Proton rocket lifted off at 1017 GMT (6:17 a.m. EDT) Wednesday from the Baikonur Cosmodorme in Kazakhstan. After a marathon 16-hour-long launch sequence, the Proton and its Breeze M upper stage will deploy the Eutelsat 5 West B video broadcast satellite and a robotic satellite servicing payload aiming to attempt the first-ever docking in geosynchronous orbit.

European Space Agency flight controllers are plotting to send the Rosetta spacecraft on a controlled descent to the surface of comet 67P/Churyumov-Gerasimenko next year to join the Philae landing probe, which made a bouncy touchdown on the comet’s craggy nucleus one year ago this week.