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Lucy Spacecraft’s Surprise Discovery: Dinkinesh Reveals Binary Nature

Lucy spacecraft’s surprise: Dinkinesh, a main-belt asteroid, revealed its binary nature, setting the stage for the mission’s study of Trojan asteroids.

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Last Updated on July 5, 2024 by Daily News Staff


The Lucy spacecraft, on its way to study the Trojan asteroids in Jupiter’s orbit, recently made an unexpected detour. During a test run past a main-belt asteroid named Dinkinesh, Lucy’s tracking system revealed a surprising revelation. Rather than encountering a single asteroid, Lucy discovered that Dinkinesh is actually a binary system, consisting of one larger asteroid and one smaller moonlet. This unexpected find has provided valuable insights and sets the stage for Lucy’s upcoming mission objectives.


Dinkinesh duo NASA Goddard SwRI Johns Hopkins APL NOAO e1698953221168
When the Lucy spacecraft encountered asteroid Dinkinesh, it found 2 asteroids instead of 1. Lucy captured this image, showing the smaller satellite slightly behind the main asteroid, at 12:55 p.m. EDT (16:55 UTC) on November 1, 2023. At that time, the light travel time between the spacecraft and the asteroid – in the main asteroid belt – was some 30 minutes. The spacecraft and the asteroid were some 300 million miles (500 million km) from Earth. Yet Lucy was so perfectly targeted that it came within a minute of its scheduled closest approach, to pass approximately 270 miles (430 km) above the surface of Dinkinesh. Image via NASA/ Goddard/ SwRI/ Johns Hopkins APL/ NOAO.

Dinkinesh’s Binary Nature Unveiled:
The name Dinkinesh, meaning “marvelous” in Amharic, perfectly encapsulates the astonishment experienced by the Lucy mission team when they realized the true nature of this asteroid. Initial glimpses of Dinkinesh in September indicated its potential binary nature, as its brightness changed over time. This phenomenon resembled the method used by astronomers to identify planets by observing the fluctuation in brightness when they pass in front of stars.

Lucy’s latest images of Dinkinesh confirmed the existence of the binary system. The parent asteroid was estimated to be about 0.5 miles (790 m) wide, while the moonlet measured approximately 0.15 miles (220 m) in size. This successful mini-mission made Dinkinesh and its moon the smallest main-belt asteroids ever to be well-imaged by a spacecraft, marking a significant milestone for scientific exploration.

Lucy’s Next Destination:
After this unexpected encounter with Dinkinesh, Lucy’s trajectory now sets its sights on future objectives. In December 2024, the spacecraft will undergo a second gravity assist from Earth, propelling it toward the orbit of Jupiter. Once there, Lucy will embark on its primary mission of studying the Trojan asteroids. These asteroids have been captured by Jupiter’s gravitational pull and are believed to have coexisted with the gas giant for billions of years within its orbit around the sun.

Alteration of Lucy’s Mission Plan:
Dinkinesh was not originally part of the Lucy mission’s itinerary. The spacecraft’s original plan involved visiting the main-belt asteroid (52246) Donaldjohanson in 2025, followed by a tour of nine Trojan asteroids beginning in 2033. However, the discovery of a conveniently located small asteroid presented an opportunity for Lucy to make an additional visit. Raphael Marschall of the Nice Observatory in France identified Dinkinesh, estimated to be 0.4 miles (700 m) in size. The mission team adjusted Lucy’s course, bringing it closer to the asteroid, and successfully executed the flyby from a mere 270 miles (430 km) away.

Lucy’s Journey So Far:
Launched in October 2021, Lucy underwent its first flyby of Earth a year later. On January 24, 2023, the mission team added Dinkinesh as a new target, deviating from the original plan. Through a strategic maneuver, Lucy managed to observe this fascinating asteroid two years ahead of schedule. It is worth noting that Dinkinesh derives its name from the Ethiopian term for the famous human ancestor fossil known as Lucy, after which the spacecraft’s mission is named.

Significance of the Tracking System:
Lucy’s encounter with Dinkinesh served as an excellent test for the spacecraft’s innovative tracking system. This system was developed to overcome the longstanding challenge of accurately determining the spacecraft’s distance from an asteroid and precisely pointing the cameras. By approaching Dinkinesh at a similar angle relative to the sun as it will during the Trojan asteroid encounters, scientists were able to practice under comparable conditions well in advance of the main mission.


Lucy NASA Asteroid flyby art sq
Artist’s concept of the Lucy spacecraft making a close flyby of an asteroid. Image via NASA.

The Lucy spacecraft’s unexpected discovery of Dinkinesh’s binary nature during its test run past the main-belt asteroid has provided valuable insights into the diversity of celestial bodies within our solar system. This surprise encounter showcases the capabilities of Lucy’s tracking system and its ability to adapt to unforeseen opportunities. As Lucy continues its journey, it promises to unravel more mysteries surrounding the Trojan asteroids and contribute to our understanding of the fascinating celestial objects that reside within Jupiter’s orbit.

Source: NASA

Check out this article from Earthsky https://earthsky.org/space/lucy-spacecraft-to-visit-asteroid-nov-1-2023/?mc_cid=c07b5b936a&mc_eid=36fb49e54a

The science section of our news blog STM Daily News provides readers with captivating and up-to-date information on the latest scientific discoveries, breakthroughs, and innovations across various fields. We offer engaging and accessible content, ensuring that readers with different levels of scientific knowledge can stay informed. Whether it’s exploring advancements in medicine, astronomy, technology, or environmental sciences, our science section strives to shed light on the intriguing world of scientific exploration and its profound impact on our daily lives. From thought-provoking articles to informative interviews with experts in the field, STM Daily News Science offers a harmonious blend of factual reporting, analysis, and exploration, making it a go-to source for science enthusiasts and curious minds alike. https://stmdailynews.com/category/science/

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Maricopa Boil Water Advisory Lifted After Negative E. Coli Tests

Maricopa boil water advisory lifted: Global Water–Santa Cruz Water Company customers in Maricopa can resume normal tap water use after follow-up testing found no E. coli.

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MARICOPA, Ariz. — A precautionary boil water advisory for Global Water–Santa Cruz Water Company customers in the city of Maricopa was lifted Thursday, October 8, after repeat testing found no E. coli in water samples. The utility announced the cancellation at approximately 2 p.m. Arizona time. 

Stainless steel pot of water at a rolling boil on a kitchen stovetop, with steam rising above the bubbling surface. Maricopa boil water advisory lifted
Water boils in a kitchen pot in this illustrative image. Maricopa’s precautionary boil water advisory was lifted October 8 after follow-up tests found no E. coli.

The advisory was issued October 7 after two preliminary tests indicated possible contamination. Customers were temporarily instructed to use bottled water or boil tap water for at least one minute before drinking it or using it for food preparation. 

With follow-up results negative, affected customers no longer need to boil water for drinking, cooking, making ice, brushing teeth or washing dishes, according to the utility. 

https://stmdailynews.com/chicken-salad-chick-foundation-presents-record-breaking-donation-to-cure-childhood-cancer/

The advisory affected the utility’s customers in the city of Maricopa, located in Pinal County. It was not a countywide warning for Maricopa County or Phoenix. 

Residents can visit Global Water Resources’ official notice page⁠ for updates or call 866-940-1102 with questions. 

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Automotive

Hyundai Unveils All-New Tucson With Bold New Look, Smarter Hybrid Tech

Hyundai has unveiled the all-new Tucson, bringing bolder styling, a next-generation hybrid targeting up to 42 mpg, AI-powered infotainment and the rugged new XRT PRO.

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Hyundai’s popular compact SUV gets a major makeover with a targeted 42 mpg hybrid, AI-powered infotainment and a more adventurous XRT PRO model.

All-new Hyundai Tucson SUV featuring Hyundai’s Art of Steel design and redesigned exterior styling.
The all-new Hyundai Tucson introduces bolder styling, next-generation hybrid technology and Hyundai’s new Pleos Connect infotainment system.

Hyundai is preparing the Tucson for its next chapter, unveiling an all-new version of its popular SUV with a dramatically revised design, next-generation hybrid technology and a new digital experience built around artificial intelligence.

Hyundai Motor Company introduced the all-new Tucson in New York City against the Manhattan skyline, calling the redesigned model its “boldest SUV” yet.

For buyers, however, the bigger story may be what lies beneath the new styling. Hyundai is combining improved hybrid efficiency, more advanced infotainment and additional off-road capability in an effort to make the Tucson equally comfortable handling weekday commuting, family duty and weekend adventures.

A Bolder Tucson Takes Shape

The new Tucson adopts Hyundai’s “Art of Steel” design philosophy, giving the SUV a more muscular and purposeful appearance.

Rather than simply updating the outgoing Tucson, Hyundai appears to be pushing the model toward a stronger SUV identity while maintaining the everyday practicality that has helped make the Tucson one of the company’s most important global vehicles.

The new exterior is complemented by a redesigned cabin emphasizing space, storage and easier-to-use controls. Hyundai says the interior includes flexible storage solutions and available relaxation features designed to make longer trips more comfortable.

That combination could be important in a compact SUV segment where shoppers increasingly expect vehicles to serve several roles at once — commuter, family vehicle, road-trip machine and recreational vehicle.

Hyundai Unveils Bold New Tucson With Hybrid Power

Hybrid Targets Up to 42 MPG

One of the most significant changes is Hyundai’s Next-generation Hybrid System.

Hyundai says the new system is targeting fuel economy of up to 42 mpg, while also attempting to preserve responsive driving performance.

If that target carries through to production specifications and official fuel-economy testing, it could make the Tucson Hybrid particularly attractive to drivers who want SUV practicality without moving to a fully electric vehicle.

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The strategy also reflects a broader automotive trend. Hybrids have increasingly become an important middle ground for consumers looking to reduce fuel consumption without changing their driving and charging habits.

Final EPA fuel-economy figures and U.S.-market specifications will ultimately determine how the new Tucson compares with its competitors.

Pleos Connect Brings AI Into the Cabin

Technology is another major focus of the redesign.

The Tucson introduces Hyundai’s Pleos Connect next-generation infotainment platform, which incorporates Gleo AI, an expanding app marketplace and a redesigned user interface.

Hyundai describes Pleos Connect as an evolving digital platform rather than simply a conventional infotainment system.

That could allow the Tucson’s capabilities to expand over time as software, applications and connected services develop.

The important question for drivers will be whether all that technology actually makes everyday tasks easier. Automakers continue adding increasingly sophisticated screens and software to their vehicles, but intuitive controls and minimal driver distraction remain just as important as the number of available features.

https://stmdailynews.com/jeep-goes-back-to-1945-with-the-2027-wrangler-jl-2a/

Tucson XRT PRO Heads Further Off the Pavement

Hyundai is also expanding the Tucson’s adventurous side with the introduction of the Tucson XRT PRO.

The more rugged model adds enhanced off-road technologies, including Hyundai’s first Smart Terrain Assist, or STA.

The system is designed to help the vehicle adapt to changing terrain and provide drivers with additional confidence when leaving paved roads.

The XRT PRO could broaden the Tucson’s appeal among buyers who like the practicality of a compact crossover but want more capability for camping, outdoor recreation and light off-road travel.

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More detailed specifications will help determine just how far the XRT PRO moves beyond the appearance-oriented adventure packages commonly offered in the compact SUV market.

A Major Vehicle in Hyundai’s Bigger Product Push

The importance of the new Tucson extends beyond a single model.

“Millions of families around the world count on the Hyundai TUCSON, and this is the best one we have ever built,” Hyundai Motor Company President and CEO José Muñoz said during the announcement.

Muñoz also said the Tucson begins what Hyundai describes as the most ambitious product offensive in its history.

The automaker plans to introduce more than 100 new or refreshed vehicles globally by 2030, including 58 in North America.

That makes the Tucson something of an opening act for Hyundai’s next generation of vehicles.

The Tucson Enters Its Next Era

Compact SUVs remain some of the most versatile vehicles on the market, and Hyundai appears determined to keep the Tucson competitive by improving several areas simultaneously rather than relying on styling alone.

https://stmdailynews.com/slate-truck-moves-closer-to-reality-as-december-2026-deliveries-come-into-view/

A targeted 42-mpg hybrid powertrain could appeal to fuel-conscious drivers. Pleos Connect and Gleo AI represent Hyundai’s push toward increasingly software-driven vehicles. Meanwhile, the new XRT PRO gives the Tucson lineup a more adventurous option.

There are still important details to come, including complete U.S. specifications, EPA-certified fuel economy, trim levels, pricing and availability.

But Hyundai’s message is already clear: the next Tucson is intended to be more than a routine redesign.

It is being positioned as a showcase for where Hyundai believes the modern SUV is headed — bolder in appearance, smarter inside and more efficient underneath.

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Source: Hyundai Motor Company. Specifications and fuel-economy figures discussed by Hyundai are preliminary and may vary by market. Final U.S. specifications and EPA ratings may differ.

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Consumer Corner

Jeep Goes Back to 1945 With the 2027 Wrangler JL-2A

Jeep is looking back more than 80 years with the 2027 Wrangler JL-2A, a Rubicon-based special edition inspired by the Willys CJ-2A, the first Jeep designed specifically for civilian use.

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Last Updated on October 5, 2026 by Daily News Staff

The special-edition Wrangler pays tribute to the Willys CJ-2A, the vehicle that helped transform the wartime Jeep into an American civilian icon.

Jeep is looking back more than 80 years with the 2027 Wrangler JL-2A, a Rubicon-based special edition inspired by the Willys CJ-2A, the first Jeep designed specifically for civilian use.
The new 2027 Jeep® Wrangler JL-2A is the 11th drop in the Jeep brand’s Twelve 4 Twelve series, pairing legendary Trail Rated capability with authentic design cues inspired by the original Willys CJ-2A, the first Jeep vehicle designed for civilian use. Image Credit: Stellantis / Jeep

More than 80 years after the first civilian Jeep rolled onto farms, ranches and roads across America, Jeep is reaching deep into its history for a new special-edition Wrangler.

The 2027 Jeep Wrangler JL-2A is a modern tribute to the Willys CJ-2A, introduced in 1945 as the first Jeep vehicle developed specifically for civilian use.

Rather than simply adding a heritage badge to a modern Wrangler, Jeep has incorporated colors, wheels, interior materials and design details inspired by the vehicle that helped establish the civilian Jeep nearly eight decades ago.

The JL-2A is also the 11th installment in Jeep’s Twelve 4 Twelve series of special-edition vehicles.

https://stmdailynews.com/avoiding-a-costly-lockout-4-reasons-to-duplicate-your-car-key/

From the Battlefield to Civilian America

The story behind the JL-2A begins at the end of World War II.

The military Willys MB had earned a reputation for ruggedness during the war, but Willys-Overland saw an opportunity for the basic concept beyond military service.

In July 1945, the company introduced the Willys CJ-2A.

The letters “CJ” stood for Civilian Jeep, and the CJ-2A adapted the military Jeep formula for farmers, ranchers, industrial workers and everyday civilian users.

Changes included a tailgate, larger headlights and a rear power takeoff that allowed the Jeep to operate certain agricultural and industrial equipment. The CJ-2A also helped establish the familiar seven-slot grille that would eventually become one of Jeep’s most recognizable design elements.

It wasn’t just a utilitarian machine, either.

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Willys offered memorable postwar color combinations such as Harvest Tan with Sunset Red wheels and Pasture Green with Autumn Yellow wheels.

Those colorful early Jeeps provided much of the inspiration for the new JL-2A.

2027 Jeep Wrangler JL-2A Goes Retro

A 1945 Look on a Modern Wrangler

The 2027 Wrangler JL-2A is based on the modern Wrangler Rubicon, meaning the retro styling is paired with serious off-road hardware.

One of its most noticeable features is a set of exclusive 17-inch retro-style wheels finished in Joose, accompanied by orange front and rear tow hooks. The combination recalls the bright Sunset Red wheels found on some original CJ-2As.

The wheels are paired with standard 33-inch BFGoodrich KO2 All-Terrain tires.

Jeep is also bringing back Gobi exterior paint for 2027. The tan-like color is particularly appropriate for this edition because it echoes the Harvest Tan finish offered on the original CJ-2A.

Other available colors include ’41, Bright White, Sting Gray, Ghost and Joose.

Body-color fender flares and a three-piece hardtop give the JL-2A a relatively clean exterior appearance, while Dark Metallic Grey accents update the Wrangler’s familiar seven-slot grille.

Jeep Takes the Retro Theme Inside

Jeep has carried the historical theme into the cabin with a color and material combination never previously offered on a Wrangler.

The seats are covered in Nappa Heritage Tan leather, complemented by Bison Brown on the door panels, lower instrument panel and center console.

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Desert Orange stitching ties the interior to the brightly colored exterior wheels and tow hooks.

There are also several details specifically aimed at Jeep history enthusiasts.

A satin-chrome Willys-Overland shifter medallion pays tribute to the company’s roots, while heritage-inspired HVAC vent graphics incorporate the seven-slot grille and a Willys silhouette.

Perhaps the most interesting detail is found at the rear.

Jeep has created a swing-gate plaque based on the dashboard data-plate artwork of the original CJ-2A. It includes farm and factory imagery recalling the original civilian Jeep’s role as a working vehicle rather than simply a recreational off-roader.

Modern conveniences haven’t been forgotten. The JL-2A includes remote start, an auto-dimming rearview mirror, universal garage-door opener and a front TrailCam with an integrated washer.

How Much Will the Wrangler JL-2A Cost?

Jeep says the JL-2A package will carry an MSRP of $4,995.

According to the automaker, that puts the special edition just $115 above a comparably equipped Wrangler Rubicon, making the package largely about choosing its unique heritage-inspired appearance and equipment rather than paying a substantial premium solely for a limited-edition name.

Orders are scheduled to open in October 2026.

Jeep has not presented the JL-2A as a recreation of the CJ-2A. Underneath the nostalgic colors and Willys-inspired details is a thoroughly modern Wrangler Rubicon.

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And that may be the point.

More Than 80 Years of Civilian Jeep History

The original CJ-2A represented a turning point for Jeep.

A vehicle concept born from wartime necessity found a second life in civilian America, where Jeeps became farm equipment, work vehicles, recreational 4x4s and eventually lifestyle vehicles.

The CJ line evolved through multiple generations before eventually giving way to the Wrangler nameplate in the 1980s.

The 2027 Wrangler JL-2A connects those two ends of Jeep’s history — from the simple postwar CJ-2A built to work the back forty to today’s technology-packed Wrangler designed to tackle the trail.

More than eight decades separate them, but park the two side by side and the family resemblance would be difficult to miss.

Source: Stellantis / Jeep, September 12, 2026

A Civilian Legend Reimagined: Jeep Brand Introduces 2027 Jeep Wrangler JL-2A PR Newswire

Jeep Official Website:
Jeep Official Website

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