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, 2026

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 28:

M Jul 06 (187)
T Jul 07 (188)
W Jul 08 (189)
T Jul 09 (190)
F Jul 10 (191)
S Jul 11 (192)
S Jul 12 (193)

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Scheduled activities for Week 29:

M Jul 13 (194)
T Jul 14 (195)
W Jul 15 (196)
T Jul 16 (197)
F Jul 17 (198)
S Jul 18 (199)
S Jul 19 (200)

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Scheduled activities for Week 30:

M Jul 20 (201)
T Jul 21 (202) Ahead: Momentum dump, 13:00 UT
W Jul 22 (203)
T Jul 23 (204)
F Jul 24 (205)
S Jul 25 (206)
S Jul 26 (207)

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Scheduled activities for Week 31:

M Jul 27 (208)
T Jul 28 (209)
W Jul 29 (210)
T Jul 30 (211)
F Jul 31 (212)
S Aug 01 (213)
S Aug 02 (214)

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Scheduled activities for Week 32:

M Aug 03 (215)
T Aug 04 (216)
W Aug 05 (217) Ahead: SECCHI stepped calibration roll, 05:10 UT
T Aug 06 (218)
F Aug 07 (219)
S Aug 08 (220)
S Aug 09 (221) SolO Remote Sensing Window 28

Notes:

* Solar Orbiter Remote Sensing Window 28, August 9-16

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Upcoming events:

2026:

* Aug 17-30             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

2027:

* Feb 25-Mar 4          Parker Solar Probe perihelion pass
* Feb 8                 Solar Orbiter Perihelion
* May 24-31             Parker Solar Probe perihelion pass
* July 7                Solar Orbiter Perihelion
* Aug 21-28             Parer Solar Probe perihelion pass
* Nov 17-24             Parker Solar Probe perihelion pass
* Dec 4                 Solar Orbiter Perihelion

2028:

* Feb 14-21             Parker Solar Probe perihelion pass
* Mar 18                Solar Orbiter Venus flyby
* May 8                 Solar Orbiter Perihelion
* May 12-19             Parker Solar Probe perihelion pass
* Aug 8-15              Parker Solar Probe perihelion pass
* Oct 5                 Solar Orbiter Perihelion
* Nov 5-12              Parker Solar Probe perihelion pass

2029:

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

2030:

* Sep 3			Solar Orbiter Venus flyby

Plans last modified Tuesday, 07-Jul-2026 18:33:00 UTC

Last Revised: Tuesday, 06-Jan-2026 21:38:40 UTC
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