September 2017
Measuring space debris risk
... tracked have a size greater than 10 cm diameter in low Earth orbit (LEO) and greater than 1 m in geosynchronous orbit (GEO). This means that the whereabouts of the majority of orbital debris is unknown. Space agencies and companies are...
April 2019
Building the UK’s first spaceport
...than those in high orbits, such as geostationary orbit (GEO), creating a strong ongoing demand for upgrade and replenishment.... small (only a few hundred kg) compared to traditional GEO communication satellites at several tonnes, but many still exceed ...
July 2019
Aggression in outer space – time for action
... (LEO) and, more recently, in geostationary orbit (GEO), which point to testing of rendezvous operations or inspection objectives.... Meanwhile, inspection activities are also conducted in GEO by pairs of Geosynchronous Space Situational Awareness Program ...
September 2023
Getting a grip on space sustainability and space debris
... (LEO), where we find Earth observation satellites and the new broadband range of satellites, is quite a small shell of geo-spatial area and the same is true of medium orbits, where GPS satellites operate, and higher geosynchronous...
24 February 2025
Sustainability plan for boosting spacecraft longevity
ClearSpace has taken a bold step towards sustainable space practices by initiating the consolidation phase of its new GEO Life Extension Mission. Backed by the Luxembourg government through an ESA contract under the Luxembourg National Space ...
February 2019
The Space Elevator – an alternative path to space?
...energy of rockets in LEO while it climbs on the tether to GEO. The power on a Space Elevator is substantially lower than on ... km/h, for five to seven days travel from surface to GEO. Slower housekeeping, e.g., due to slower climbers or other processes...