Fact Sheet

Solar Orbiter is a mission dedicated to solar and heliospheric physics. It was selected as the first medium-class mission of ESA's Cosmic Vision 2015-2025 Programme. The programme outlines key scientific questions which need to be answered about the development of planets and the emergence of life, how the Solar System works, the origins of the Universe, and the fundamental physics at work in the Universe.

Spacecraft Testing

Spacecraft Testing

#5: Electric and magnetic fields under control for Solar Orbiter
23 September 2019

An important stage in the development of ESA's Solar Orbiter mission was completed between May and June, when a series of tests to validate the electromagnetic compatibility and magnetic properties was carried out on the spacecraft's flight model.

#4: Simulating zero gravity
2 August 2019Like most spacecraft, ESA's Solar Orbiter carries a number of deployable structures that play key roles in the success of its mission. Earlier this year, engineers completed a series of deployment tests on the spacecraft's antennas, instrument boom and solar arrays.

Featured Publications

Featured Publications

Solar Orbiter - Exploring the Sun–Heliosphere Connection
26 July 2013The heliosphere represents a uniquely accessible domain of space, where fundamental physical processes common to solar, astrophysical and laboratory plasmas can be studied under conditions impossible to reproduce on Earth and unfeasible to observe from astronomical distances. Solar Orbiter, the first mission of ESA's Cosmic Vision 2015 - 2025...
Solar Orbiter definition study report (Red Book)
25 July 2011Reference: ESA/SRE(2011)14; Issue 1. This report, the so-called Red Book, presents an overview of the Solar Orbiter mission in its present state of advanced definition. Solar Orbiter is a medium-size (M-class) mission of the ESA Cosmic Vision 2015-2025 programme, and competes for one of the two launch slots foreseen in 2017 and 2018.
23-Sep-2019 15:28 UT

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