1 day / second

0.5 AU

Solar Orbiter

Spacecraft

A European-led solar observatory launched in 2020 that studies the Sun from a highly elliptical orbit, getting as close as 42 million kilometers to capture unprecedented views of the solar poles and measure the solar wind.

Key Facts

organization

ESA

orbital regime

Inner System

learn more

Wikipedia

launched

2020-02-10

launch mass

1,800 kg

power

180 watts
Mission Timeline
Operational
Launched

February 10, 2020 at 04:03 UTC

Sol (The Sun)

Orbiter

Solar Orbiter began its mission to study the Sun's polar regions and inner heliosphere in February 2020, making its first close pass at 0.5 AU while carrying instruments to measure the solar wind, magnetic fields, and high-energy particles.

Venus

Gravity Assist

Solar Orbiter performed its first gravity assist maneuver at Venus on December 27, 2020, passing within 7,448 kilometers of the planet to reduce its orbital period and increase its orbital inclination.

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