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 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 8 (220) COR2 support for SolO/HI high-cadence campaign
S Aug 9 (221) SolO RSW 28 begins, COR2 support cont.

Notes:

* SECCHI COR2 5-min pB (Opp w/ STA), August 8-9
* Solar Orbiter Remote Sensing Window 28, August 9-16

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Scheduled activities for Week 33:

M Aug 10 (222)
T Aug 11 (223)
W Aug 12 (224)
T Aug 13 (225)
F Aug 14 (226)
S Aug 15 (227) COR2 support for SolO/HI high-cadence campaign
S Aug 16 (228) SolO RSW 28 ends, COR2 support cont.

Notes:

* SECCHI COR2 5-min pB (Opp w/ STA), August 15-16
* Solar Orbiter Remote Sensing Window 28, August 9-16

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Scheduled activities for Week 34:

M Aug 17 (229) SolO RSW 29 begins
T Aug 18 (230)
W Aug 19 (231)
T Aug 20 (232)
F Aug 21 (233)
S Aug 22 (234)
S Aug 23 (235)

Notes:

* Solar Orbiter Remote Sensing Window 29, August 17-30

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Scheduled activities for Week 35:

M Aug 24 (236)
T Aug 25 (237)
W Aug 26 (238)
T Aug 27 (239)
F Aug 28 (240)
S Aug 29 (241)
S Aug 30 (242) SolO RSW 29 ends

Notes:

* Solar Orbiter Remote Sensing Window 29, August 17-30

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Scheduled activities for Week 36:

M Aug 31 (243)
T Sep 01 (244) Ahead: Momentum dump, 13:30, PSP perihelion begins
W Sep 02 (245)
T Sep 03 (246)
F Sep 04 (247)
S Sep 05 (248)
S Sep 06 (249)

Notes:

*  PSP Perihelion:
     -COR2 deep field (36 sec exp/5-min cadence), Sept 1-4 (CoRot + Radial + Q w/ Earth)

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Upcoming events:

2026:

* 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, 28-Jul-2026 19:21:46 UTC

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