Galileo and electric propulsion

Galileo second generation – photo © ESA

Future Galileo navigation satellites might adopt electric propulsion to reach their final orbits, with the weight savings offering larger payloads and a broader range of services in the 2020s, it was announced by ESA on 7th April 2014.

Electric thruster test – photo © ESA

This would offer several advantages. Freeing up mass by doing without the rocket’s upper stage means more satellites could be carried by individual rocket: up to three by Soyuz, while Ariane 5s carrying commercial telecom satellites could piggyback a quartet as secondary passengers. The lightweight Vega launchers might loft individual satellites.

At the same time, the mass of each satellite could still increase – up to 1500 kg or more from the current 700 kg. Enlarging the satellite would enable an expanded navigation payload to support a greatly extended range of Galileo services.

Galileo’s three orbital planes – photo © ESA

Où acheter du stromectol générique Where to buy generic stromectol Dónde comprar stromectol genérico Wo kann man generisches Stromectol kaufen? Dove acquistare stromectol generico Πού να αγοράσετε γενόσημο stromectol Onde comprar estromectol genérico ストロメクトールジェネリックはどこで買える? Kde koupit generický stromectol Hvor kan man købe generisk stromectol Waar kunt u generieke stromectol kopen? Hol vásárolhat általános stromectolt Di mana untuk membeli stromectol generik حيث لشراء ستروميكتول عام Hvor kan man kjøpe generisk stromectol Gdzie kupić generyczny stromectol Kde kúpiť generický stromectol Var kan man köpa generisk stromectol Mistä ostaa geneeristä stromectolia De unde să cumpărați stromectol generic