STEREO Coordinated Observations Calendar

Archived plans: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

Below, please find the current plans for STEREO operations. All dates and times are UTC unless otherwise specified. More detailed plans can be found in the weekly schedules (Ahead, Behind). Other planning resources are also provided. This page is also available as plain text.

Contact information for coordinated observation requests can be found on the Solar JOP guidelines page.

These pages gives information about possible STEREO support for Parker Solar Probe and Solar Orbiter. Here is also Information about STEREO-A close approach to Earth, August 2023

Links to planning and scheduling pages for other missions: SOHO, Hinode, NSO, VLA, EISCAT, Max Millenium, ISTP Planning.

Information about reduced science operations during the solar conjunction period between August 2014 and November 2015 can be found here.

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Scheduled activities for Week 41:

M Oct 06 (279)
T Oct 07 (280)
W Oct 08 (281)
T Oct 09 (282) Ahead: Momentum dump, 20:00 UT
F Oct 10 (283)
S Oct 11 (284)
S Oct 12 (285)

Notes:
* Solar Orbiter Remote Sensing Window 24, Oct 1-16

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Scheduled activities for Week 42:

M Oct 13 (286)
T Oct 14 (287)
W Oct 15 (288)
T Oct 16 (289)  SolO RSW 24 ends
F Oct 17 (290)
S Oct 18 (291)
S Oct 19 (292)

Notes:
* Solar Orbiter Remote Sensing Window 24, Oct 1-16

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Scheduled activities for Week 43:

M Oct 20 (293)
T Oct 21 (294)
W Oct 22 (295)
T Oct 23 (296)
F Oct 24 (297)
S Oct 25 (298)
S Oct 26 (299)

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Scheduled activities for Week 44:

M Oct 27 (300)
T Oct 28 (301)
W Oct 29 (302)
T Oct 30 (303)
F Oct 31 (304)
S Nov 01 (305)
S Nov 02 (306)

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Scheduled activities for Week 45:

M Nov 03 (307)
T Nov 04 (308)
W Nov 05 (309)
T Nov 06 (310)
F Nov 07 (311)
S Nov 08 (312)
S Nov 09 (313)

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Scheduled activities for Week 46:

M Nov 10 (314)
T Nov 11 (315) Veterans Day
W Nov 12 (316)
T Nov 13 (317) Ahead: IMU2 EEPROM refresh
F Nov 14 (318)
S Nov 15 (319)
S Nov 16 (320)

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Upcoming events:

2025:

* Dec 9-17              Parker Solar Probe perihelion pass

2026:

* Feb 12-27             Solar Orbiter Remote Sensing Window 25
* Feb 28-Mar 10         Solar Orbiter Remote Sensing Window 26
* Mar 8-16              Parker Solar Probe perihelion pass
* Mar 29-Apr 3          Solar Orbiter Remote Sensing Window 27
* Jun 4-12              Parker Solar Probe perihelion pass
* Aug 4-14              Solar Orbiter Remote Sensing Window 28
* Aug 15-25             Solar Orbiter Remote Sensing Window 29
* Sep 1-9               Parker Solar Probe perihelion pass
* Sep 11-21             Solar Orbiter Remote Sensing Window 30
* Nov 28-Dec 6          Parker Solar Probe perihelion pass
* Dec 24                Solar Orbiter Venus flyby

2028:

* Mar 18		Solar Orbiter Venus flyby

2029:

* Jun 10		Solar Orbiter Venus flyby
* Jun 30		Ahead: Mercury transit

2030:

* Sep 3			Solar Orbiter Venus flyby

Plans last modified Tuesday, 07-Oct-2025 17:25:29 UTC

Last Revised: Tuesday, 16-Sep-2025 17:56:56 UTC
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