Tag

Satellite Safety

All articles tagged with #satellite safety

space4 days ago•105 min saved

New GEO Debris Cloud Poses Risk to Costly Satellites

Warwick researchers used a novel image‑processing approach to reanalyze data from the Isaac Newton Telescope and found 25 debris tracks in geostationary orbit (about 36,000 km up), 80% of which were previously unknown. The tiny fragments could linger indefinitely in GEO due to the near‑vacuum, creating a potentially dangerous debris cloud that threatens expensive satellites and underscores the need for debris surveys before GEO launches, with the study published in the Journal of Astronautical Sciences.

via Space|

#geo #geostationary-orbit #image-processing

science8 months ago•4 min saved

Expanding Weak Spot in Earth's Magnetic Field Raises Concerns

A growing weak spot in Earth's magnetic field over the South Atlantic, known as the South Atlantic Anomaly, is expanding since 2014, increasing exposure to solar radiation for satellites and astronauts, though no signs of magnetic reversal are detected. This change poses risks to space infrastructure and human spaceflight, emphasizing the need for hardened spacecraft and further study of Earth's magnetic dynamics.

via ZME Science|

#earths-magnetic-field #geomagnetic-field-changes #satellite-safety

space-safety9 months ago•6 min saved

Historic Solar Storm Disrupts Skies

ESA conducted a comprehensive simulation of a massive solar storm, inspired by the historic Carrington event, to test spacecraft and ground system resilience, improve preparedness, and develop better forecasting tools for space weather threats, highlighting the importance of advanced monitoring satellites like the upcoming Vigil mission.

via European Space Agency|

#esa #satellite-safety #simulation

science-and-technology10 months ago•4 min saved

New Detector Aims to Protect Spacecraft Amid Rising Orbital Debris and Global Tensions

Scientists at SwRI have developed a new detection system to identify and analyze space debris impacts on spacecraft, providing early warnings to help avoid collisions and improve future spacecraft design, addressing the growing threat of orbital debris to satellite operations.

via Rude Baguette|

#detection-system #orbital-collision #satellite-safety

science11 months ago•3 min saved

NASA Monitors Growing Anomaly in Earth's Magnetic Field

NASA is monitoring the South Atlantic Anomaly, a large region of weakened Earth's magnetic field above South America and southwest Africa, which poses risks to satellites and spacecraft. The anomaly is caused by complex geophysical processes, including disturbances from deep Earth structures, and is gradually changing, splitting into two parts. While it doesn't directly affect life on Earth, understanding it is crucial for space operations and studying Earth's magnetic history.

via Yahoo Home|

#earths-magnetic-field #nasa #satellite-safety

science1 year ago•4 min saved

2024 YR4 Meteor Shower to Create Spectacle with Moon's Influence

A potential impact of asteroid 2024 YR4 on the Moon in 2032 could eject millions of tons of lunar debris toward Earth, creating an unprecedented meteor shower that poses risks to satellites and could produce debris capable of reaching Earth's surface, although the impact on Earth itself is minimal.

via Yourweather.co.uk|

#2024-yr4 #asteroid-impact #meteor-shower

space-science2 years ago•2 min saved

"Enhancing Satellite Safety Through Space-Physics Error Correction"

Researchers have corrected a 50-year-old error in the math used to understand how electromagnetic waves scatter electrons trapped in Earth's magnetic fields, leading to improved models of artificial radiation belts and better predictions of their impact on space technology. The discovery of these errors will help scientists improve their understanding of how high-altitude nuclear explosions could produce artificial radiation belts and impact space technology, potentially leading to better protection for satellites and space assets.

via Phys.org|

#electromagnetic-waves #quasilinear-theory #radiation-belts