September 2023
A multifaceted approach to space sustainability
... other factors such as post-mission disposal. This has only been a consideration in geostationary orbit (GEO), where both the frequencies and the use of orbital positions are regulated by the ITU. But now, when radio regulators licence a system...
September 2024
Hypersonics and the route to orbit
...point-to-point travel and LEO missions. The next iteration, HELLO-2, will carry 5500 kg to LEO, 1730 kg to geostationary orbit (GEO) and 760 kg to the lunar surface, and will be followed later by a proposed HELLO-3M, a crewed lunar mission. Naturally...
April 2025
Space sustainability and the role of space situational awareness
... risks. Space situational awareness supports the long-term viability of congested orbits, particularly in low Earth orbit (LEO) and geostationary orbit (GEO) while promoting collective responsibility for the space environment and driving investment...