Tag

Orbital Debris

All articles tagged with #orbital debris

space1 day ago•105 min saved

Guarding the Night Sky: Critics Push for Environmental Review of Space-Based Data Centers

Environmental and scientific groups are pressing the FCC to require environmental reviews for licenses to deploy space-based data centers, citing SpaceX’s plan to launch up to a million satellites in low-Earth orbit and concerns about dark skies, wildlife, climate impacts from rocket launches and debris. The FCC has not yet mandated such reviews, prompting a coalition led by Earthjustice to urge regulatory scrutiny before licenses are granted.

via Space|

#environmental-impact #fcc #orbital-debris

technology9 days ago•4 min saved

Starlink Re-entry Wave: 260 Satellites Burn Up in Orbit

SpaceX told the FCC that 260 Starlink satellites re-entered and burned up in Earth's atmosphere from December 2025 to May 2026—176 first-generation and the rest second-generation—with another 349 satellites retired for disposal. In total, 1,344 Starlink satellites have re-entered to date as SpaceX continuously refreshes the constellation, sometimes deorbiting four to five per day. SpaceX maintains that re-entry incinerates the hardware with no harm to people on the ground, but researchers warn of potential ozone-depleting gas releases and are calling for environmental reviews, though the FCC is considering exemptions for large satellite constellations.

via PCMag|

#deorbit #fcc #orbital-debris

space15 days ago•15 min saved

Megaconstellations shrink Low Earth Orbit’s safety margin from months to days

Researchers introduce the CRASH Clock to estimate how long low Earth orbit could remain safe if satellites could no longer dodge each other; the margin fell from 164 days in 2018 to 5.5 days in 2025 as megaconstellations expanded, underscoring that LEO is now an infrastructure-like shared space requiring continuous coordination, accurate tracking, and robust data to prevent a rapid cascade of near-misses.

via Space Daily|

#collision-avoidance #crash-clock #low-earth-orbit

space1 month ago•12 min saved

Debris-fueled risk: NASA’s Aqua nears retirement and a lasting climate record teeters

NASA’s Aqua satellite, a cornerstone of the Earth Observing System that has tracked wildfires and climate data for 24 years, is running out of fuel and will soon lose its ability to maneuver away from space debris, threatening gaps in a decades-long climate record as orbital junk rises and no direct replacement is fully funded, with private ventures like Google’s fire-detection plans poised to fill at least part of the data gap.

via Space Daily|

#aqua-satellite #climate-data-record #debris-avoidance-maneuvers

space2 months ago•5 min saved

Fireball from Space: ISS Captures Debris Reentry Over West Africa

From the International Space Station's Cupola, NASA astronaut Chris Williams recorded a bright fireball streaking through the upper atmosphere—likely the reentry of debris from the Progress MS-34 mission. Observed at about 10:40 PM GMT on April 27 from roughly 250 miles up, the event provided a rare orbital view of how high-speed objects break up upon atmospheric entry; Williams shared photos and video on X, noting the pass over West Africa and emphasizing that such reentries typically occur over remote areas and pose no risk to people on the ground.

via The Daily Galaxy|

#fireball #iss #orbital-debris

space-exploration2 months ago•71 min saved

ISS Captures Spectacular Fireball Likely Debris Reentry After Progress MS-34 Launch

NASA astronaut Chris Williams aboard the International Space Station photographed a dramatic fireball on April 27, 2026, likely caused by debris from a satellite or the upper stage of the Soyuz rocket related to the Progress MS-34 (Progress 95) mission. The fireball appeared as the Progress 95 cargo ship—launched April 25, docked two days later and to remain attached for about seven months—passed overhead near West Africa, with Williams noting a bright streak that split into a shower of pieces. Williams is a rookie aboard an eight‑month stay, sharing the ISS with SpaceX Crew-12 astronauts Jessica Meir and Jack Hathaway, along with Sophie Adenot and Andrey Fedyaev.

via Space|

#fireball #international-space-station #nasa

science2 months ago•38 min saved

Solar storms could push crowded low-Earth orbit into a 2.8-day debris cascade

A study led by Sarah Thiele warns that today’s mega-constellations in low-Earth orbit are so crowded and maneuver-dependent that a rare disruption, especially a solar storm, could overwhelm collision-avoidance systems. Using the CRASH Clock metric, researchers estimate that a complete loss of command over avoidance could trigger a catastrophic collision in about 2.8 days, far faster than the late-2010s risk, with even a 24-hour outage carrying roughly a 30% chance of a major debris-producing event. The work highlights the fragile infrastructure of crowded space and the need for robust contingency planning amid ongoing mega-constellations.

via Earth.com|

#orbital-debris #satellites #science

environment2 months ago•32 min saved

Mega-constellations risk turning orbit into a debris nightmare

SpaceX’s Starlink mega-constellations now dominate low-Earth orbit with about 10,000 satellites and plans for up to a million more, sparking concerns over light pollution, future debris, and potential ground fallout; satellites typically burn up on re-entry, but larger mega-constellations could leave debris that falls to Earth, as seen in Saskatchewan, and Canada has no formal debris reporting or environmental regulation for space activities; experts warn of increased collision risk (Kessler syndrome) and stress the need for Canadian internet alternatives and stronger governance, since SpaceX currently controls a large share of orbital slots.

via The Narwhal|

#environment #environment-regulation #orbital-debris

space4 months ago•1 min saved

Orbit Overload: Climate Shifts Could Leave Space Junk Lingering

SpaceX has asked for permission to launch up to one million satellites to provide global internet, but researchers warn that an already crowded orbit could become messier as climate-change–driven changes in the upper atmosphere cause space debris to linger longer; by century’s end, only about half as many satellites may safely fit in orbit, even as SpaceX accounts for roughly two-thirds of all satellites launched to date (about 15,000).

via The New York Times|

#climate-change #orbital-debris #satellites

space5 months ago•4 min saved

Solar Storms Could Collapse LEO Satellite Web in Days

New analysis warns that solar storms could trigger a rapid, near-term collapse of Earth’s LEO satellite mega-constellations if command-and-control for avoidance is lost. The study introduces the CRASH Clock, estimating a catastrophic collision could occur in about 2.8 days as of mid-2025 (versus 121 days in 2018), and a 24-hour outage carries roughly a 30% chance of seeding long-term debris cascades. Solar storms heat the atmosphere, increasing drag and degrading orbit predictions while possibly disabling satellite navigation and communications, leaving many satellites unable to dodge each other. Authored by Sarah Thiele and colleagues and posted on arXiv, the work argues for real-time tracking and control to prevent a “house of cards” collapse of space infrastructure, a risk underscored by the 2024 Gannon storm and the historic Carrington Event.

via SciTechDaily|

#kessler-syndrome #megaconstellations #orbital-debris

science-and-technology6 months ago•2 min saved

SpaceX's Starlink Satellite Experiences Anomaly, Tumbles Toward Earth

A SpaceX Starlink satellite experienced a mysterious anomaly, lost contact, and is tumbling back to Earth, creating debris; the cause is under investigation, highlighting increasing space traffic and collision risks.

via Gizmodo|

#orbital-debris #satellite-anomaly #science-and-technology

science-and-technology1 year ago•3 min saved

October 31, 2000: The Last Day of Humanity Before Change

On October 31, 2000, the first crew arrived at the ISS, marking the start of continuous human presence in space, a milestone that has supported extensive scientific research. The station faces aging challenges and potential retirement by 2030, while China has launched its own space station, Tiangong, expanding its influence. Growing orbital debris poses significant risks to space operations, prompting efforts to improve debris management and ensure sustainable human activity in orbit.

via Indian Defence Review|

#china-space-station #human-spaceflight #international-space-station

science1 year ago•5 min saved

Space Exploration's Hidden Environmental Costs: Debris and Climate Impact

Scientists warn that the increasing amount of space debris in Earth's orbit poses a significant threat, potentially leading to the Kessler syndrome, where collisions create more debris, making parts of space unusable. With over 10,200 active satellites and millions of debris pieces, the risk of collisions is rising, especially in low Earth orbit. Experts urge immediate action and regulation to prevent a 'tragedy of the commons' scenario, where individual actions deplete shared resources, affecting scientific research and cultural experiences like stargazing.

via Space.com|

#kessler-syndrome #orbital-debris #satellites

space2 years ago•3 min saved

NASA Advances Space Sustainability Strategy

NASA Deputy Administrator Pam Melroy reported significant progress on the agency's space sustainability strategy, including developing a framework for assessing space sustainability, analyzing collision risk uncertainties, and planning investments in debris management and space situational awareness. The strategy, initially focused on Earth orbit, is expanding to include cislunar space, with ongoing interagency and international coordination and the appointment of Trudy Kortes as interim director of space sustainability.

via SpaceNews|

#cislunar-space #nasa #orbital-debris

science-and-technology2 years ago•3 min saved

NASA Unveils Efficient Space Debris Cleanup Solutions

NASA's Office of Technology, Policy, and Strategy has released a new report identifying cost-effective methods for managing orbital debris, emphasizing direct risk and cost evaluations over 30 years. The study compares over 10 different actions to reduce debris risk, such as shielding, tracking, and remediation, and suggests that some methods may be more valuable than previously thought. The findings aim to guide NASA and the space community in addressing the growing issue of space debris.

via SciTechDaily|

#cost-effective-solutions #nasa #orbital-debris