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SpaceX CEO Elon Musk proposes Starship, Starlink tech for Solar System tour

Starship ignites its Raptor engines during a close approach to Titan. (NASA/SpaceX/Teslarati)

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SpaceX CEO Elon Musk has proposed an unusual approach to conducting a robotic survey of the Solar System’s major outer planets, asteroids, and comets, requiring a stripped-down Starship with a minimalist payload of Starlink satellites modified for interplanetary cruises and high-resolution cameras.

To enable this arrangement, it sounds like an expendable variant of Starship would have to be designed and built, cutting as much extraneous mass as possible to put as much energy as physically possible into its payloads. Outer planets – those lying beyond the Solar System’s main asteroid belt – are a minimum of 400 million miles (~650 million km) from Earth and stretch out to bodies like 2014 MU69 (below) at 4+ billion miles (6.8+ billion km) beyond Earth’s orbit. To travel those truly absurd distances, the time-to-destination can often be measured in decades, a timeframe that is physically impossible to shrink without hugely powerful rockets like BFR. Even then, SpaceX would face major hurdles to pull off Musk’s impromptu mission design.

New Horizons, the tiny but amazing spacecraft responsible for the first-ever close-up photos of Pluto and (more recently) the bizarre MU69 comet/asteroid, is perhaps the best categorical example of what Musk is proposing. Weighing less than 480 kg (1060 lb) and powered by a radioisotope generator (RTG), the spacecraft was launched in January 2006 and – after a single gravity assist around Jupiter – flew by Pluto a bit less than ten years later in July 2015, traveling a blistering ~13.8 km/s (8.6 mi/s).

After traveling several billion miles over nearly a decade, New Horizons completed its main mission, returning spectacular views of the unexpectedly exotic Pluto. (NASA/JPL)

Coincidentally, at least the first prototypes of SpaceX’s Starlink satellite constellation weighed around 400 kg (880 lb) during their March 2018 launch, just shy of New Horizons’ own dry mass. Major differences abound, however. Most notably, Starlink satellites will be powered by solar arrays optimized for energy generation at Earth’s distance from the sun, compared to New Horizons’ RTG reactor. At distances beyond Saturn, reliance on solar power would be an extraordinary challenge for any spacecraft hoping to do more than simply survive. For example, due to certain unforgiving laws of physics, New Horizons would receive – quite literally – 0.06% the solar energy per unit of area at Pluto.

To produce the scant ~300 Watts New Horizon receives from its nuclear power source, a single Starlink satellite would need a minimum of 1400 m^2 (~15,000 ft^2) of high-efficiency solar panels to survive and power a minimal suite of instruments and communications hardware. Assuming an extraordinary 170 g/m^2 solar array as proposed by Alta Devices, a Starlink satellite would need solar cells weighing no less than 250 kg (550 lb) total to operate at Pluto, a mass that absolutely does not factor in the complex mechanisms necessary to deploy a third of an acre of solar panels from an area of just a few cubic meters.

Frankly put, solar-powered exploration beyond the orbit of Jupiter and perhaps Saturn becomes almost inconceivably difficult. Further, the above numbers don’t even take into account each Starlink spacecraft’s electric thrusters, which would need several times more solar panels or massive batteries (themselves needing heaters) to operate at an optimal power level for long, uninterrupted periods of time, a necessity for electric propulsion. Several billion miles closer to the sun, in the main asteroid belt or around the gas giants Jupiter and Saturn, solar power is still extremely challenging but not impossible. NASA’s Juno spacecraft, the first solar-powered vehicle to visit the outer planets, uses solar arrays with an area of 72 m^2 (800 ft^2) to produce less than 500 Watts of power around Jupiter, compared to the ~14 kW they could produce around Earth.

Juno’s solar arrays are an impressive ~28% efficient but still weigh 340 kg (750 lb) and produce less than 500 Watts of power around Jupiter. (NASA)

At the end of the day, SpaceX’s Starlink satellites and Starship-based boost stage would need to undergo radical (and thus expensive) redesigns to accomplish such an ambitious ‘tour’ of the Outer Solar System, quite possibly also requiring the development and integration of wholly new technologies and exploration strategies to get off the ground. While the challenges are immense, the fact that Mr. Musk is already expressing interest in supporting such an exploratory, science-focused mission inspires confidence in the many future benefits that could soon be derived from Starlink and Starship, if successfully developed. Assuming missions that remain within the Inner Solar System, an exploration architecture as described by Musk is already readily doable and wouldn’t need the major modifications and leaps necessary for Outer Solar System ventures. Possible destinations where it could be practical include the Moon, Mars, Venus, the main asteroid belt (i.e. Ceres, Vesta, etc.), and many others.

If SpaceX can find a way to get both Starlink and Starship off the ground and into operational configurations, the future of space exploration – both human and robotic – could be extraordinarily bright.

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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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SpaceX soars with its first launch as a public company, marking a new era

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Credit: SpaceX

SpaceX executed its first Falcon 9 launch since going public on June 15, a routine yet symbolically powerful Starlink mission from Vandenberg Space Force Base in California.

Liftoff of the Falcon 9 booster B1093, on its 14th flight, occurred at approximately 8:34 a.m. PDT from Space Launch Complex 4E (SLC-4E), deploying 24 Starlink V2 Mini Optimized satellites into low-Earth orbit.

The first stage successfully landed on the droneship “Of Course I Still Love You” in the Pacific Ocean, underscoring the company’s unmatched reusability track record.

This mission comes just three days after SpaceX’s historic IPO on June 12, which shattered records as the largest ever. The company raised $75 billion by pricing shares at $135, with trading under ticker SPCX on Nasdaq opening at $150 and closing at $160.95—a 19 percent gain—valuing SpaceX at over $2.1 trillion.

The launch highlights the seamless transition from private innovator to public powerhouse. SpaceX, founded in 2002, has revolutionized access to space with over 650 Falcon 9 flights and a massive Starlink constellation now serving millions globally.

As a public company, it faces new pressures: quarterly earnings, shareholder scrutiny, and expectations to accelerate Starship development for Mars ambitions and deeper NASA partnerships. Yet the market response signals strong confidence in its dominance, as launch costs are slashed by 95 percent, rapid satellite deployment, and a backlog of government and commercial contracts.

SpaceX maintains bold advertising push for Starlink, contrasting Tesla’s minimalistic approach

Analysts view today’s flight as business as usual, but it carries extra weight. With shares volatile in early trading days, successful operations reassure investors that core capabilities remain unaffected by public status.

SpaceX now operates under heightened transparency, potentially unlocking capital for ambitious goals like Starship orbital tests and global broadband expansion.

Challenges loom, including regulatory hurdles for megaconstellations, competition in reusable rockets, and orbital debris concerns. Nevertheless, this morning’s flawless execution reinforces SpaceX’s trajectory.

As Musk often notes, the company’s mission—to make humanity multiplanetary—now aligns with Wall Street’s growth demands. The stars, it seems, are aligning for both.

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Investor's Corner

Tesla and SpaceX’s biggest bull just placed a massive $1B bet on the stock

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Ron Baron on Tesla stock

Renowned investor Ron Baron, founder and CEO of Baron Capital, has once again demonstrated his unwavering faith in Elon Musk’s ventures.

Just after SpaceX’s record-breaking IPO, Baron announced he purchased an additional $1 billion in SpaceX (NASDAQ: SPCX) shares. This move pushes Baron Capital’s total holdings in the company to a staggering $25 billion in market value, underscoring one of the most successful private-to-public investment stories in recent history.

Baron’s relationship with SpaceX dates back to 2017, when his firm began investing approximately $1.75–2 billion through secondary markets and employee tender offers at valuations around $20–22 billion.

By the time of the IPO, which valued SpaceX at over $2 trillion with shares closing near $161, those early stakes had generated more than $13 billion in unrealized gains. Post-IPO, Baron’s position ballooned further, reflecting the company’s meteoric rise driven by reusable rocketry, Starlink’s global satellite internet constellation, Starshield defense applications, and ambitious plans for orbital infrastructure.

In a recent interview, Baron articulated his bullish outlook with characteristic enthusiasm.

“I think we’re going to make hundreds of billions of dollars,” he stated, emphasizing that SpaceX’s achievements in rocketry and satellite technology are “not possible for anyone else to accomplish.” He envisions the company as a cornerstone of humanity’s multi-planetary future, potentially reaching valuations of $10–30 trillion within 10–15 years.

Baron has repeatedly affirmed he has no plans to sell, viewing SpaceX as a “lifetime investment” alongside Tesla.

Tesla bull Ron Baron reveals $100M SpaceX investment, sees 3-5x return on TSLA

This conviction stems from SpaceX’s unparalleled execution. The company has revolutionized access to space with Falcon 9 reusability, deployed thousands of Starlink satellites, and is advancing Starship for Mars missions and point-to-point Earth transport.

Baron highlights emerging opportunities like space-based AI data centers and direct-to-cell satellite connectivity, positioning SpaceX at the forefront of a new space economy projected to generate trillions in value.

Critics may question the lofty projections amid high valuations and execution risks, but Baron’s track record speaks volumes. His Tesla holdings, initiated in the mid-2010s, have also delivered outsized returns. As one of the largest institutional holders of SpaceX pre-IPO, Baron Capital’s funds, such as Baron Partners, benefited immensely from valuation markups.

Baron’s $1 billion IPO purchase signals deep confidence in SpaceX’s post-IPO trajectory. In an era of short-term market noise, his strategy exemplifies patient capital: backing visionary leadership and transformative technology.

For investors watching the space sector, it serves as a powerful endorsement that the final frontier may indeed yield the next great wealth-creation engine. As Baron puts it, SpaceX isn’t just building rockets—it’s trying to “save humanity” by expanding our horizons beyond Earth.

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Elon Musk

Elon Musk just put a $1 Trillion revenue number on SpaceX

SpaceX surged 19% on its first trading day as Musk projected $1 trillion revenue by 2030.

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Rendering of a colonized Mars by way of SpaceX

Just days after SpaceX stock pushed its market cap past $2 trillion on its first trading session, closing at $160.95, a 19% gain on the $135 IPO price, Elon Musk posted his own revenue projection on X that went well beyond anything Wall Street modeled. “I think SpaceX might be able to reach approximately $1T revenue in 2030,” Musk wrote, then followed up: “And I would be surprised if revenue is not greater than $1T in 2031.” That forecast sits roughly three times above the most bullish institutional estimate on the table.

Morgan Stanley, one of the lead underwriters, projects SpaceX revenue of $160 billion in 2028, $330 billion in 2030, and $3.4 trillion by 2040, with adjusted EBITDA projected to exceed $2.7 trillion at that point. Reaching those numbers from SpaceX’s $18.7 billion in 2025 revenue requires a compound annual growth rate of roughly 42%, which would outpace even Amazon’s fastest growth era. Morgan Stanley’s model places AI infrastructure as the heaviest revenue driver, projecting $190 billion from SpaceX’s AI business alone by 2030. That figure is anchored to xAI’s Grok platform and the Colossus supercomputer following the earlier merger.

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The government revenue pipeline provides a more predictable foundation under those projections. As we have previously reported, SpaceX holds at least $22 billion in cumulative federal contracts across NASA, the Space Force, the NRO, and the Space Development Agency, with 52 active contracts carrying $11.8 billion in remaining value. The NASA Artemis Human Landing System contract alone is valued at $4.04 billion, covering a second crewed lunar landing demonstration targeted for the Artemis IV mission. SpaceX is also a frontrunner for the Golden Dome missile defense shield, and the FAA has approved up to 44 Starship launches from LC-39A in 2026, setting the stage for Starship to become the backbone of both commercial and government heavy lift. Whether Musk’s $1 trillion number proves visionary or simply optimistic, the infrastructure to get there is already being funded.

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