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Asteroids News 31 July 2025 - 26 October 2025

Hidden ‘Planet-Killer’ Asteroid Found in Sun’s Glare Exposes Dangerous Blind Spot

Hidden ‘Planet-Killer’ Asteroid Found in Sun’s Glare Exposes Dangerous Blind Spot

A “Twilight” Asteroid Breaks Speed Records Astronomers are buzzing about 2025 SC79, a newfound asteroid that’s zipping around the sun at near-record pace. Scott S. Sheppard, an astronomer at Carnegie Science, first spotted the object on September 27 using the Blanco 4-meter telescope in Chile carnegiescience.edu carnegiescience.edu. What he found was astonishing: an asteroid orbiting the sun in just 128 days, making it the second-fastest asteroid ever recorded space.com. Only one known asteroid orbits faster – 2021 PH27, a 1-km rock discovered by Sheppard in 2021 that races around the sun in 113 days livescience.com. Even Mercury, the innermost planet, takes
26 October 2025
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NASA Confirms Earth’s “Secret Second Moon” – Tiny Asteroid 2025 PN7 Will Orbit with Us Until 2083

NASA Confirms Earth’s “Secret Second Moon” – Tiny Asteroid 2025 PN7 Will Orbit with Us Until 2083

NASA Announces New “Quasi-Moon” Discovery On Oct 22, 2025, space agencies worldwide celebrated the announcement that Earth has a new celestial companion. A team from the University of Hawaii’s Pan-STARRS survey discovered a tiny asteroid – designated 2025 PN7 – on Aug. 2, 2025, and subsequent orbit analysis showed it has been silently trailing Earth for roughly 60 years chron.com. NASA confirmed in a press report that this 62-foot-wide rock is Earth’s newest “quasi-moon,” meaning it is not a bound satellite but a co-orbital asteroid ts2.tech hindustantimes.com. As one global space news outlet noted, astronomers “confirmed a tiny ‘quasi-moon’ –
22 October 2025
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SHOCKING: Asteroid Discovered Just Days Ago Will Buzz Earth TODAY (Closer Than the Moon) – What Experts and Investors Are Saying

SHOCKING: Asteroid Discovered Just Days Ago Will Buzz Earth TODAY (Closer Than the Moon) – What Experts and Investors Are Saying

Close Call with Asteroid 2025 TP5 Astronomers have identified Asteroid 2025 TP5 as a very close but safe Earth flyby. According to NASA’s Jet Propulsion Lab data, 2025 TP5 will swoop by at 4:09 p.m. EDT (2009 UTC) on Oct. 15, 2025, at ~60,328 miles (97,089 km) from Earth’s center space.com. By comparison, the Moon orbits ~238,855 miles away. After the Earth flyby, JPL reports that 2025 TP5 will come as close as 74,616 miles to the Moon on Oct. 16 space.com. At an estimated 54 ft (16 m) diameter space.com, it is a medium-sized near-Earth asteroid. Notably, 2025 TP5 was undetected until Oct. 13,
16 October 2025
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‘God of Chaos’ Asteroid Apophis to Skim Earth in 2029 – Inside the Historic Flyby and the 3 Probes Racing to Study It

Astronomers Propose Blowing Up a Potentially Hazardous Asteroid

Key Facts and Summary The Asteroid 2024 YR4: From Earth Hazard to Lunar Threat 2024 YR4 is a recently discovered asteroid that has drawn intense attention from astronomers and space agencies. Detected on 27 December 2024 by the ATLAS survey telescope in Chile, it initially appeared on a worrisome trajectory esa.int. In early 2025, automated orbit calculations raised the alarm that this ~60-meter “city-killer” asteroid had a roughly 3% chance of impacting Earth on December 22, 2032 esa.int universetoday.com. A few percent might sound small, but by asteroid risk standards it’s huge – for context, NASA’s risk list almost never
23 September 2025
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‘God of Chaos’ Asteroid Apophis to Skim Earth in 2029 – Inside the Historic Flyby and the 3 Probes Racing to Study It

‘God of Chaos’ Asteroid Apophis to Skim Earth in 2029 – Inside the Historic Flyby and the 3 Probes Racing to Study It

Overview: Meet Asteroid Apophis, the “God of Chaos” 99942 Apophis is a near-Earth asteroid that shot to notoriety soon after its discovery in 2004. On June 19, 2004, astronomers Roy Tucker, David Tholen, and Fabrizio Bernardi at Kitt Peak Observatory first spotted this 340-meter space rock science.nasa.gov. Early orbit calculations startled scientists – there appeared to be a 2.7% chance that Apophis could hit Earth on April 13, 2029, an unprecedented level of risk that briefly ranked Level 4 on the Torino impact hazard scale, the highest rating ever assigned to a near-Earth object livescience.com. In light of this potential
20 September 2025
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Cosmic Revelations: Space Launch Frenzy, Mars Life Hints & Asteroid Near-Miss – This Week’s Space Highlights

Cosmic Revelations: Space Launch Frenzy, Mars Life Hints & Asteroid Near-Miss – This Week’s Space Highlights

New Cargo Ships and Space Station Updates First “Cygnus XL” arrives after scare: A tense 48 hours at the ISS ended in relief as Northrop Grumman’s upsized Cygnus XL freighter resolved its in-orbit propulsion glitch and received a “go” for final approach nasa.gov. The cargo ship’s main engine had shut off early during two orbit-raising burns on Sept. 16, delaying an arrival originally set for Sept. 17 space.com. Engineers quickly developed alternate maneuvers, and NASA astronaut Jonny Kim captured Cygnus with Canadarm2 early on Sept. 18, allowing the spacecraft to be installed on the station as planned nasa.gov. NASA noted all other systems performed normally
18 September 2025
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Skyscraper-Size Asteroid Once Feared to Hit Earth Zooms Past This Week – How to Watch Live

Skyscraper-Size Asteroid Once Feared to Hit Earth Zooms Past This Week – How to Watch Live

An asteroid the size of a skyscraper, once briefly feared to pose an impact risk decades from now, is about to make a close (but safe) flyby of Earth on Thursday, September 18, 2025. This near-Earth asteroid, officially designated 2025 FA22, will whiz by at ~24,000 mph in the early hours of Thursday, coming within about 520,000 miles (835,000 km) of our planet – roughly 2.2 times the distance of the Moon livescience.com. Discovered only in March 2025, the giant space rock made headlines when initial calculations suggested a slim chance of an Earth impact in the year 2089, briefly
16 September 2025
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Cosmic Objects That Could Hit Earth: Real Threats and What Scientists Are Saying

Cosmic Objects That Could Hit Earth: Real Threats and What Scientists Are Saying

101955 Bennu (1999 RQ36) is about 490 m in diameter and has a potential impact date of September 24, 2182 with a probability of about 1 in 2,700 (0.037%), though NASA says there is no chance of a hit for at least a century and a 1.4‑billion‑ton TNT impact could trigger an years‑long global “impact winter.” 1950 DA is roughly 1.3 km across and could hit on March 16, 2880 with a probability of about 1 in 34,500 (0.0029%), a Palermo value around −2.7, and an energy release of about 75 billion tons of TNT. 2023 TL4 is ~330 m
31 July 2025
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