Hawthorne-based SpaceX is planning to launch a rocket carrying a satellite for SiriusXM Sunday, two days after scrubbing the original mission with just 30 seconds left in the countdown from Cape Canaveral in Florida. 

“Now targeting 12:30 p.m. EST for launch of SXM-7, time is optimized for launch and recovery. Weather forecast has improved to 80% favorable,” the company tweeted at 8:08 a.m. Sunday. 

According to SpaceX, Friday’s launch was pushed back “to perform additional ground system checkouts.” 

The SXM-7 satellite being deployed in the mission will replace one of SiriusXM’s five satellites already in orbit. Another replacement satellite is scheduled to be launched next month. Once the launch occurs, SpaceX will again attempt to recover the first stage of the rocket by landing it on a droneship named “Just Read the Instructions” floating in the Atlantic Ocean. 

The first stage of the rocket being used in the mission has flown six times previously, making it the company’s second most-veteran flight vehicle. 

A different booster has already flown seven times, but this mission will tie that mark. 

Also being reused on the mission is one-half of the rocket’s “fairing,” or nosecone, that protects the satellite as it’s being propelled into orbit. 

The mission will mark the first time such a veteran rocket and previously used fairing have been deployed in a fully commercial launch — something experts say is a major expression of the confidence SiriusXM has in SpaceX’s cost-cutting rocket-recovery efforts. 

SpaceX on Wednesday conducted a test launch of a prototype Starship being designed for trips to the Moon, Mars and beyond. 

The ship successfully traveled about eight miles into the air and, during its descent back to Earth, made a successful landing flip maneuver. 

However, the ship exploded on touchdown, with SpaceX founder Elon Musk saying the ship’s velocity was too high on landing. 

Despite the fireball that destroyed the ship, the mission was deemed an overall success thanks to the level of flight information engineers were able to obtain and further advance design work on the craft. After the mission, Musk tweeted, “Mars, here we come!!”

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By Richard Moran

Richard Moran loves to write about sports with the Golden State Online. Before that, he worked as a senior writer at ESPN. Richard grew up in San Diego and graduated from the University of San Diego in 2004, after which he worked as an editor for five years.

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