Solar Orbiter

The Solar Orbiter (SolO) studies the Sun's polar regions, inner heliosphere, and composition of the solar wind.
Mission Link
Sun Orbiter ESA NASA
Perihelion 11
16 Sep 2025
Location
29.0-day trail Sun Earth Venus Solar Orbiter
Julian Date: 2460935.0
ISO Date: 2025-09-16T12:00 UTC
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Timeline
Perihelion 10
31 Mar 2025
Venus Gravity Assist 4
18 Feb 2025
Perihelion 9
30 Sep 2024
Perihelion 8
4 Apr 2024
Perihelion 7
7 Oct 2023
Perihelion 6
10 Apr 2023
Perihelion 5
12 Oct 2022
Venus Gravity Assist 3
4 Sep 2022
Perihelion 4
26 Mar 2022
Earth Gravity Assist
27 Nov 2021
Perihelion 12
3 Mar 2026
Perihelion 13
18 Aug 2026
Venus Gravity Assist 5
24 Dec 2026
Perihelion 14
26 Feb 2027
Perihelion 15
6 Jul 2027
Perihelion 16
3 Dec 2027
Venus Gravity Assist 6
18 Mar 2028
Perihelion 17
7 May 2028
Perihelion 18
4 Oct 2028
Perihelion 19
3 Mar 2029