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SpaceX Falcon 9 rocket launches heaviest payload yet
SpaceX has launched its heaviest payload yet for the third time in ten months, demonstrating that it’s still finding ways to improve the performance of its mature Falcon rockets.
At 9:30 am EST, January 25th, SpaceX completed a static fire of the two-stage Falcon 9 rocket assigned to launch its next Starlink mission. Half an hour later, SpaceX confirmed that the rocket performed well and is scheduled to launch no earlier than 4:32 am EST (09:32 UTC) on Thursday, January 26th. SpaceX didn’t state the mission’s purpose, but shorthand (“sl5-2”) used in an official website URL implied that it would be the second launch for its Starlink Gen2 satellite constellation.
Flying for the ninth time, Falcon 9 booster B1067 lifted off on schedule and sent an expendable Falcon upper stage and Starlink 5-2’s 56-satellite payload on their way to space. B1067 safely touched down on a SpaceX drone ship soon after, setting it up to reach double digits later this year. The bus-sized stack of satellites was deployed in orbit soon after, completing SpaceX’s 176th consecutively successful launch since January 2017.
The update that's rolling out to the fleet makes full use of the front and rear steering travel to minimize turning circle. In this case a reduction of 1.6 feet just over the air— Wes (@wmorrill3) April 16, 2024
Eleven Teslas to orbit
56 is not an unprecedented number of satellites for a SpaceX launch or a Starlink launch. SpaceX has launched a record 143 rideshare payloads at once, and the company routinely launched 60 Starlink satellites at a time throughout 2019, 2020, and half of 2021. But those Starlink satellites were the first versions (V0.9-V1.0) of the spacecraft and weighed either 227 or 260 kilograms (500/570 lbs) apiece.
In the second half of 2021, SpaceX began launching new Starlink V1.5 satellites. Outfitted with laser links (optical terminals) and other miscellaneous upgrades, the new satellites weigh either 303, 307, or 309 kilograms (668, 676, or 681 lb) each. The heavier design forced SpaceX to slightly reduce the number of satellites each launch could carry. After some optimization, SpaceX regularly launches up to 54 Starlink V1.5 satellites per rocket, down from 60 V1.0 satellites.
The number of satellites may be smaller, but the mass of the payload launched has never been higher. SpaceX last broke Falcon 9’s payload mass record in August 2022, when it launched 54 Starlink V1.5 satellites for the first time. The payload reportedly weighed 16.7 tons (~36,800 lb), breaking the previous record of 16.25 tons by about 3%. The heaviest 60-satellite Starlink V1.0 payload weighed ~15.6 tons (~34,400 lb).

Now, Falcon 9 has launched 56 Starlink V1.5 satellites at once. SpaceX says the payload weighed 17.4 tons (~38,400 lb), crushing the company’s previous record of 16.7 tons. 17.4 tons is just shy of the weight of 11 Tesla Model 3s.
Starlink 5-2 targeted the same orbit as Starlink 5-1, which carried 54 satellites, indicating that SpaceX has likely made another iterative improvement to Falcon 9 performance. As SpaceX has gained confidence in and experience with Falcon 9, it’s been able to tweak the timing of certain launch events, raise performance limits, and reduce margins throughout the rocket. Starlink 5-2’s record payload means that SpaceX’s tweaks have collectively boosted Falcon 9’s performance by 11.5% (15.6 to 17.4 tons) in just a few years.
Gen1, V1.0, V1.5, Gen2, V2.0
Starlink 5-2 continues a trend of confusion begun by the company’s first Starlink Gen2 launch, which it deemed Starlink 5-1. The naming scheme implied that the satellites were a continuation of the company’s first constellation, Starlink Gen1, but SpaceX confirmed that they were the first Starlink Gen2 satellites. That SpaceX is launching 54 (and now 56) satellites also confirms that they are likely the same V1.5 satellites the company has been launching for 18 months.
SpaceX CEO Elon Musk has outright stated that the company could go bankrupt if it couldn’t begin launching much larger Starlink V2.0 satellites on its Starship rocket in the near future. Instead, SpaceX is doing the exact opposite and is populating its Starlink Gen2 constellation with Gen1-sized satellites. It’s unclear when SpaceX will begin launching the larger Starlink V2.0 satellites that were meant to be the mainstay of the Gen2 constellation.
Rewatch SpaceX’s second Starlink Gen2 launch below.
News
SpaceX’s Gwynne Shotwell just made a quiet gesture toward Tesla
SpaceX president Gwynne Shotwell quietly followed Tesla on X, and merger watchers noticed right away.
SpaceX President and COO Gwynne Shotwell has started following Tesla’s official account on X, a small change that landed in the middle of a very loud merger conversation. Whole Mars Catalog joked about it on Sunday.
A follow is not an announcement, and neither company has said anything about a deal. What gives the moment weight is the timing. Barclays analyst Dan Levy has told clients that an agreement could come before Tesla’s annual meeting, which must be held by December 6, with SpaceX as the buyer in an all stock deal, as we reported after the Roadster unveiling. Wedbush’s Dan Ives has stuck with a 2027 timeline.
“Shit, I better start following their X account if i’m gonna be helping run the company”
— Whole Mars Catalog (@wholemars) October 18, 2026
Shotwell is the executive most worth watching if the two companies do move closer. When Musk was asked at the All In Summit why Tesla and SpaceX remain separate, Shotwell sat next to him and said SpaceX personnel had already moved into xAI to fill leadership and engineering gaps. The businesses were integrating “faster than I thought,” she said, though “not fully integrated yet.” Her responsibilities have also grown since SpaceX absorbed xAI, and she now oversees operations that include Grok and the company’s AI compute buildout.
The financial links are already there. Tesla’s $2 billion xAI investment turned into a stake of less than one percent in SpaceX, the two share the Terafab chip project in Austin, and Musk exercised his 2018 Tesla options a week after SpaceX began trading, a sequence analysts flagged as giving SpaceX public shares to use in a deal. Musk holds about 20 percent of Tesla and controls 85.1 percent of SpaceX’s voting power, according to our earlier breakdown.
The next test is close at hand. SpaceX reports its second earnings as a public company on Tuesday after the close, and Tesla follows on Wednesday. Musk told analysts in July that “we can’t talk about combining companies and that kind of thing on an earnings call,” so a direct answer is unlikely from either stage. Tesla shareholders can still submit and vote on questions through the Say portal until 4 p.m. EDT on Monday, and the merger is a recurring theme in the queue.
Elon Musk
Tesla Roadster owners to get “Flying Stunt Mode” and looping track access
Musk says Roadster owners can command the unveiling stunts autonomously, with a Texas looping track.
Elon Musk says owners of the new Tesla Roadster will be able to ask the car to perform the stunts Tesla showed at its unveiling, with the car doing the driving itself. Musk made the comment Saturday in a reply on X to tech blogger Robert Scoble, and he added a promise of a looping track at Tesla’s Texas headquarters.
Scoble had argued that the person in the Roadster is not really driving it. In his description, the driver operates a computer that tells another computer what to do, with steering, braking and acceleration all handled by wire. Musk answered, “True. You will be able to ask the Roadster to perform any of the tricks shown autonomously, as it will be sentient. Also, we will have a wild looping track (crazier even than Hot Wheels) at our Texas HQ where you can test out your Roadster.”
@Scobleizer True.
You will be able to ask the Roadster to perform any of the tricks shown autonomously, as it will be sentient.
Also, we will have a wild looping track (crazier even than Hot Wheels) at our Texas HQ where you can test out your Roadster.
— Elon Musk (@elonmusk) October 17, 2026
At the October 15 event outside Waco, the car drove up a curved ramp until it was upside down, flew off on cold gas thrusters, flipped and landed. It also hovered over a Cybercab, Cybertruck, Semi, Model Y and Model 3 while moving. As we noted in our breakdown of the three Roadster configurations, Musk said at the event that the car “literally is just going to puff itself up” to perform the maneuvers whenever an owner wants. Saturday’s reply adds that the car would run them on its own.
Tesla has described some of the hardware that would make that possible. The Roadster uses steer by wire with a yoke, and its cold gas thrusters rely on electric actuators for small adjustments in flight. A fan system under the car creates suction, which Tesla says is strong enough to hold it upside down, a setup we covered in our look at the Roadster’s fan system and thrusters.
Musk did not say when an autonomous stunt feature might arrive, how it would work, or what he means by sentient. He also gave no size, location or opening date for the Texas track. Production is planned for Giga Texas in 2027 or 2028, and Tesla says the car is not approved for public road use. The Rocket version, the one built to fly, is invite only.
The comment follows a week of Musk teasing the event, including his claim that the demo would be a banger, which we covered before the stream. Tesla reports third quarter earnings on October 21, and shareholders can submit and vote on questions through the Say portal until 4 p.m. EDT on October 20, according to our earnings Q&A preview. A question about autonomous Roadster stunts and the Texas track would be a quick way to get specifics from management.
Elon Musk
How to use Grok Bot to block spam calls and texts
Musk told users to ask Grok Bot to scrub their phone numbers from spam lists.
Elon Musk has a new use case for Grok Bot, and it is the spam call. On Thursday he replied to an X user named Arash with a short instruction: “Ask your @Grok @Bot to remove your phone number from spam call & text lists!” Arash had said he got tired of the calls, had an AI bot find his number on listing sites and file removal requests, and packaged the process as a free skill for others.
The skill is called Spam-Call Scrubber, which is described to find a phone number on people search sites and data brokers, submits the opt outs, completes the confirmation emails those sites send back, and rechecks on a schedule the user picks. Using it requires the Grok Bot app. The pitch is time saved, since most broker opt outs sit behind separate forms on separate sites.
Ask your @Grok @Bot to remove your phone number from spam call & text lists!
— Elon Musk (@elonmusk) October 15, 2026
Musk said Grok Bot now gives each bot its own email address, and that it can detect scam emails. On Thursday he also said SpaceX would make users whole if the bot botches a purchase or leaks a card, then told users to shop away from Amazon after the retailer blocked the agent, as Teslarati reported. The terms of service we reviewed at the time put responsibility for what an agent does on the user.
For Tesla owners, Grok Bot is not just a phone app. Tesla brought Grok Bot into its vehicles on September 22, and we argued earlier this week that the Cybercab’s real advantage may be the errands it runs during a ride. Every Cybercab and the rest of the Model Y Robotaxi fleet has it enabled. The more routine tasks like this one become, the more a rider has reason to hand over something personal in the back seat.
The new Spam-Call Scrubber skill can be downloaded for free and works on sites that honor removal requests, while noting that listings can reappear, and illegal robocallers do not check any registry. Whether Spam-Call Scrubber cuts anyone’s call volume is something the first wave of users will find out, and Musk’s endorsement guarantees that wave is coming.