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SpaceX aces 60th operational Starlink launch after string of scrubs

(Richard Angle)

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SpaceX has completed its 60th operational Starlink satellite launch after a rare string of scrubs.

Flying for the 6th time just 66 days after its 5th launch, Falcon 9 booster B1067 lifted off with 54 Starlink satellites on SpaceX’s Starlink 4-34 mission at 8:18 pm EDT, Sunday, September 18th. Five days prior, after unknown issues triggered a delay from a planned September 11th launch attempt, SpaceX attempted to launch the mission for the first time on September 13th.

About an hour before liftoff, lightning conditions forced the company to call off the attempt. On September 14th, also about an hour before liftoff, weather forced SpaceX to call off the second attempt. On September 15th, the third attempt was aborted (by weather) just 29 seconds before liftoff, followed by a fourth weather-related scrub about a minute before liftoff on September 16th. Only after a fifth attempt on September 17th was preempted by a delay to September 18th did SpaceX finally find a gap between Florida’s summer weather.

With dozens of Starlink launches beginning to blur together and SpaceX’s Falcon 9 continuing a relentless and potentially record-breaking streak of successes at a pace that could soon make it the fastest launching rocket in history, it’s hard to be surprised that Starlink 4-34 was completed without issue. Falcon 9 B1067 ascended under power for about three minutes, sent the rest of the rocket on the way to orbit, coasted into space, and returned to Earth with SpaceX’s 68th consecutively successful booster landing.

Falcon 9’s underappreciated upper stage continued into an orbit around 300 kilometers (~190 mi) up, spun itself up end over end, and deployed a 16.7-ton (~36,900 lb) stack of 54 Starlink V1.5 satellites all at once. Following the quick deployment, the rocket’s pair of reusable fairing halves were likely still 10 or 20 minutes away from touching down on the Atlantic Ocean under their GPS-guided parafoils, where they will eventually be scooped out of the water for future flights.

Starlink 4-34 was SpaceX’s 42nd launch of 2022, maintaining an average of one launch every 6.2 days since the year began. It leaves more than 3000 working Starlink satellites in Earth orbit, likely meaning that a majority of all working satellites are owned and operated by SpaceX less than three full years after the company began operational launches.

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Up next, Next Spaceflight and Spaceflight Now report that SpaceX has two more Starlink launches (4-35 and 4-36) tentatively scheduled before the end of September. As of September 15th, both reported that those missions were working towards launches on September 19th and September 26th – nothing unusual for SpaceX in 2022.

What was unusual, however, was both unofficial manifests’ agreement that SpaceX intended to use the same pad – Cape Canaveral Space Force Station’s LC-40 – to launch Starlink 4-34, 4-35, and 4-36. Even assuming that those schedules were predicated upon Starlink 4-34 launching on September 13th, before all of its weather delays, SpaceX would have had to break LC-40’s 7.7-day turnaround record by around ~25% and complete a second launch just seven days after that.

Starlink 4-34’s delays have thrown that plan into question, but the fact that SpaceX thought it was possible in the first place suggests that the company has plans to squeeze even more performance out of LC-40 – already its most important pad from the perspective of launch cadence. Launch photographer Ben Cooper now reports that Starlink 4-36 could launch in late September or October. If it slips into October, SpaceX has a rapid-fire pair of customer satellite launches scheduled on October 5th and 13th that will probably take precedent over any internal Starlink mission.

With only 16 days left before LC-40’s next commercial launch and NASA’s Crew-5 launch taking over SpaceX’s other East Coast pad until October 3rd, SpaceX would have to launch Starlink 4-35 and 4-36 just four or five days apart (and one just 4-5 days after Starlink 4-34) to avoid delaying one of the Starlink missions well into October, avoid unnecessarily delaying commercial launches for paying customers, and ensure that those customers don’t have abruptly agree to be commercial guinea pigs for extra quick LC-40 turnarounds.

Starlink 4-35 is now tentatively scheduled for September 23rd, making a Starlink 4-36 delay more likely but not fully ruling out a launch attempt before the end of the month.

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Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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Tesla shows what Roadster drivers will see on screen before thruster activation

Tesla’s Roadster video reveals a fighter jet inspired cockpit with a 5,500 PSI thruster gauge.

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The next generation Tesla Roadster’s touchscreen, shown in Tesla’s first official look at the car’s interface. (Credit: Tesla/X)

Tesla has given future owners their clearest look yet at the cockpit of its next generation Roadster. In a 34 second video posted to X on Friday afternoon, the company walked through the car’s touchscreen with a caption: “Inspired by fighter jet cockpits, Roadster’s interface was designed around the pilot.”

The clip opens on a black screen with red graphics and a 3D wireframe of the car, which sits beside the Roadster’s squared off yoke. Tapping parts of the model brings up controls for the rear wing, including low drag and high downforce positions, along with a charging page with a charge limit bar and a small music player. A row of tabs along the bottom reads Home, Vehicle, Listen, Climate and Navigate.

Most of the video is spent in Track Mode. The dashboard shows a live circuit map, a list of session lap times, brake and motor temperatures, and pressure and temperature readouts for each tire. A setup page lets the driver pick Auto, Low Drag, High Downforce or Custom aero modes, adjust aero balance and brake balance, and switch stability and traction control off. Along the bottom, a status bar reads “Thruster · 5,500 PSI” next to a “Boost Ready” indicator.

That gauge ties the software to the hardware Tesla showed off near Waco, Texas on October 15. The Thrust and Rocket versions use cold gas thrusters fed by carbon overwrapped pressure vessels, and Tesla lists 0 to 60 mph times of under 0.9 seconds and under 0.59 seconds for them, as Teslarati detailed in its breakdown of the three Roadster configurations. The base Performance car relies on a fan and ground sealing system for grip, and the aero settings on screen match the active wings and suction setup covered in our look at how the Roadster generates downforce.

The Roadster layout is a departure from the rest of Tesla’s lineup. Instead of a map centered screen, the Roadster puts the car itself at the center of the home page, and Tesla’s Roadster page lists two smaller forward displays alongside the main touchscreen. Tesla has not said whether any of the Track Mode telemetry will make its way to the Model 3 Performance or other vehicles.

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The interface could still change before deliveries. Elon Musk said at the event that Roadster production will begin in 2028, and Tesla says the flagship Rocket version is not approved for public road use. Reservations are open with a $50,000 payment, while Thrust is listed as a limited release and Rocket is invite only.

Those who want to see the car in person will get their first chance this weekend. The Roadster goes on display in the lobby of the Petersen Automotive Museum in Los Angeles from October 24 to 27, according to Sawyer Merritt, the first time the public will be able to view it up close.

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Tesla reveals Optimus Academy, where robots teach themselves

Tesla has begun building production quality Optimus robots in Fremont and revealed its training plan.

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Concept rendering of Tesla Optimus in mass production

Tesla has started building Optimus on the high volume line it set up inside its Fremont factory, and the company says the robots coming off it are the first that meet the bar for a real product. “The bots coming off this line are the first production-quality bots that we have manufactured,” Tesla wrote in its third quarter shareholder letter, adding that it has “proven that the current manufacturing process for Optimus is suitable for a commercial product.”

The line sits in space that built the Model S and Model X until this spring. Tesla cleared the old vehicle line in 46 days, as Teslarati reported in July, to make room for robot production sized for one million units a year. On Wednesday’s earnings call, Elon Musk said most of the equipment for that capacity is already in Fremont, with output set to climb toward roughly 20,000 robots a week as the line ramps.

Musk described the ramp as a classic S curve. “The growth of Optimus is an S curve, but the initial curve is a shallow slope,” he said. The team is now refining the robot’s AI, electromechanical design, reliability and service life, and Musk expects that work to be finished by the end of next year, when Tesla plans to start delivering Optimus to outside companies for dangerous, repetitive and around the clock jobs.

The most interesting part of the call was how Tesla plans to teach the robots. Its cars send real driving data back to the AI team from millions of vehicles, but Optimus has no fleet like that yet. “A big difference with Optimus versus the cars is we don’t have this vast fleet of cars from which we can gather training data,” Musk said. Tesla’s answer is an Optimus Academy, where 10,000 to 20,000 robots will practice a wide range of tasks and feed what they learn into the next version of the model. Every unit off the Fremont line becomes a source of that training data.

Smarter hardware is on the way too. Tesla plans to put its AI5 chip into Optimus next year, and Musk said a new Optimus video should arrive within one or two months showing the robot completing tasks driven by AI rather than preprogrammed motions. He took aim at rival humanoid demos that only run scripted routines, saying those would not hold up in the real world.

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The supply chain is lining up behind the program. In September, Tesla certified Tuopu, Joyson and Sanhua as mass production partners for Optimus components. A far larger Optimus factory is also rising at Giga Texas, where drone footage from Joe Tegtmeyer showed the steel frame nearing completion, and Musk has pegged that plant’s long term target at 10 million robots a year.

Tesla executives also said Optimus production costs are trending toward the expected manufacturing cost of Cybercab, a sign the robot is being engineered for volume from the start. The hands remain the toughest piece of the design, a point Musk also made at the X Takeover event earlier this month, as Teslarati covered at the time, and that is where much of the current engineering effort is focused.

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The Starship moon landing number NASA and Elon Musk can’t agree on

Musk disputes NASA estimate of 22 Starship launches for Moon landing, predicting 6 to 8.

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Concept rendering of SpaceX Starship landing on the moon via Grok

Elon Musk is disputing a new NASA safety panel estimate of how many Starship launches it will take to put astronauts on the Moon, saying the real number will be less than half the panel’s figure.

On Thursday, NASA’s Aerospace Safety Advisory Panel held its quarterly public meeting. Panel member Charlie Precourt, a former NASA astronaut, flagged the fueling process for SpaceX’s lunar lander as a major risk for Artemis IV, the mission planned to land a crew on the Moon in 2028. “We need to keep our eyes on numerous required fuelings for the lander,” Precourt said, according to Ars Technica. “I think the last estimate is around 22 flights.”

Ars Technica’s Eric Berger posted the comment on X, and Musk replied. “That’s way too high,” Musk wrote. “Actual number will be more like 6 to 8.”

The disagreement comes down to a basic problem with sending a ship as large as Starship to the Moon. Starship burns nearly all of its propellant just reaching Earth orbit, so it cannot continue on to the Moon without stopping for a refill. SpaceX’s answer is a gas station in space. First, a Starship that works as a storage tank, called a depot, is launched into orbit. Then a series of tanker Starships launch one at a time, dock with the depot and pump their leftover propellant into it. Once the depot is full, the lunar lander version of Starship launches, docks, fills up and heads for the Moon.

Every tanker trip is its own full rocket launch, which is why the count matters. More launches mean more time, more cost and more chances for something to go wrong before astronauts ever leave Earth. Berger estimated that even if SpaceX reaches twice weekly Starship launches by the end of 2027, filling a depot at the panel’s number would still take roughly three months.

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How many tankers are needed depends mostly on how much propellant each one can carry to orbit and how much is lost along the way. Starship’s fuel and oxygen are stored at extremely cold temperatures, and some of it slowly boils off while waiting in orbit. More is lost in each transfer. NASA appears to be working from what Starship can lift today, while Musk’s range assumes a more capable rocket.

Musk has pushed back on higher counts before. In 2021, after a government document suggested 16 launches, he called that “extremely unlikely” and said eight tankers would be the most required.

Much of the answer depends on hardware SpaceX has not finished flying. As Teslarati noted earlier this year, the company plans to carry out the refueling process with its upgraded V3 Starship, and Precourt described Artemis IV as carrying “a large number of firsts.” He also praised NASA Administrator Jared Isaacman’s team for working to clear obstacles for both SpaceX and Blue Origin, whose Blue Moon lander does not rely on orbital refueling for its first mission.

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