23 May 2018
First permanent extrasolar asteroid found near Jupiter
... same plane and in the same direction as the Sun’s rotation. However, it turns out that asteroids in polar orbits do exist today out beyond Neptune, our most distant planet. While there are only around ten of ...
February 2019
European system for global weather forecasting and climate change detection
... in the 2021–2040 timeframe EUMETSAT and NOAA signed an agreement in 1998 to collaborate on the IJPS, comprising two polar-orbiting satellite systems and their respective ground segments, and forming one key component of the global observing...
October 2015
Copernicus, ESA’s most ambitious Earth Observation programme
...The ESA-EUMETSAT partnership was established in 1986 and was implemented with a series of geostationary (Meteosat) and polar orbiting (Metop) satellites, where ESA builds the satellites that are then operated by EUMETSAT. Collaborating with worldwide...
April 2019
Building the UK’s first spaceport
...to its neighbours precludes a launch to the East, so a UK spaceport could not access equatorial orbits. Launches to polar or near polar orbits require a trajectory towards the polar regions, and the Earth’s rotation has much less effect. The location...
September 2017
Measuring space debris risk
... an operator were to launch a spacecraft with a nominal one square metre cross-sectional area body into an 800 km polar orbit, what would the likelihood be of the spacecraft becoming killed or maimed (permanent loss of capacity and/or mission design...
November 2018
BepiColombo – a mission to explore Mercury
... will be jettisoned and chemical propulsion of the MPO will be used to inject both spacecraft into their dedicated polar orbits. The Japanese MMO will be released first, after which an additional thrust phase will insert the European...
