Musk’s SpaceX Delays Rocket Launch for SES Satellite

Space Exploration Technologies Corp., the rocket maker led by Elon Musk, said it postponed the launch of its Falcon 9 spacecraft that had been scheduled for yesterday.

The attempt to put the rocket into orbit has been “scrubbed,” and the Hawthorne, California-based company plans to try again on Nov. 28 at 5:38 p.m. New York time, SpaceX said yesterday in a posting on Twitter. SpaceX had sought to launch a satellite for SES SA with the Falcon 9, according to the Luxembourg-based telecommunications company.

“Saw pressure fluctuations on Falcon boost stage liquid oxygen tank,” Musk, 42, wrote in a separate posting. “Want to be super careful, so pushing launch to Thurs.”

SpaceX completed the first regular cargo mission in commercial space flight in October 2012 with the Falcon 9 rocket. Musk leads electric-car maker Tesla Motors Inc. and is chairman of SolarCity Corp., which leases rooftop solar-power systems and filed for its initial public offering in December of last year.

Shares of Tesla surged 257 percent this year through yesterday’s close, and SolarCity climbed 275 percent, outpacing the 27 percent gain for the Russell 1000 Index.

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