The Invisible Threat: Why Space Agencies Can’t Agree on How Much Deadly Small Debris Is Orbiting Earth
A new review reveals that leading orbital debris models disagree by factors of two to more than an order of ...
Tag: space situational awareness
Game Theory Steers Spacecraft Through Multi-Model Observation of Non-Cooperative Targets
Researchers at Sun Yat-sen University have applied sequential coalition game theory to design fuel-minimal, multi-model observation strategies that let a ...
Korean Team Builds 3D-Cell Model to Map Satellite Collision Risk in Low Earth Orbit
Researchers at KAIST and KASI have developed a reproducible 3D-cell framework that maps low Earth orbit's growing debris population into ...
Cislunar Waypoints Could Slash the Fuel Cost of Reaching Retrograde Orbits
Researchers at Beihang University have designed low-energy transfer routes from cislunar orbits such as distant retrograde orbits and near-rectilinear halo ...
Machine Learning Sorts Millions of Moon Orbits to Find the Ones That Last
Researchers used trajectory clustering on more than 638,000 simulated low lunar orbits to identify long-lived, low-drift paths that could support ...
New Orbital Coordinates Could Make Spacecraft Tracking Near the Moon Far More Reliable
Purdue researchers show that Modified Generalized Equinoctial Orbital Elements preserve Gaussian uncertainty far longer than Cartesian coordinates when tracking spacecraft ...
Laser Ranging Beacon With Multiple Reflectors Lets Telescopes Identify Satellites and Track Their Attitude
A multi-reflector laser ranging beacon allows ground stations to identify satellites and measure their orientation from the pattern of reflected ...
Researchers Design Cooperative Strategy for Sequential Spacecraft Proximity Observations
Geostationary orbit is becoming an increasingly crowded and strategically sensitive region of space, where satellites responsible for communications, missile warning, ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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