Information about STEREO-A close approach to Earth, August 2023

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.

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 17:

M Apr 21 (111)
T Apr 22 (112)
W Apr 23 (113)
T Apr 24 (114)
F Apr 25 (115) Solar Orbiter Remote Sensing Window 21 begins
S Apr 26 (116)
S Apr 27 (117)

Notes:

* Solar Orbiter Remote Sensing Window 21, Apr 25-30

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Scheduled activities for Week 18:

M Apr 28 (118)
T Apr 29 (119)
W Apr 30 (120) Solar Orbiter Remote Sensing Window 21 ends
T May 01 (121)
F May 02 (122)
S May 03 (123)
S May 04 (124)

Notes:

* Solar Orbiter Remote Sensing Window 21, Apr 25-30

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Scheduled activities for Week 19:

M May 05 (125)
T May 06 (126)
W May 07 (127)  Ahead: Momentum dump, 13:00 UT
T May 08 (128)
F May 09 (129)
S May 10 (130)
S May 11 (131)

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Scheduled activities for Week 20:

M May 12 (132)
T May 13 (133)
W May 14 (134)
T May 15 (135)
F May 16 (136)
S May 17 (137)
S May 18 (138)

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Scheduled activities for Week 21:

M May 19 (139)
T May 20 (140)
W May 21 (141)
T May 22 (142)
F May 23 (143)
S May 24 (144)
S May 25 (145)

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Scheduled activities for Week 22:

M May 26 (146) Memorial Day holiday
T May 27 (147)
W May 28 (148)
T May 29 (149)
F May 30 (150)
S May 31 (151)
S Jun 01 (152)

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Upcoming events:

2025:

* Jun 15-24		Parker Solar Probe perihelion pass
* Sep 7-12              Solar Orbiter Remote Sensing Window 22
* Sep 13-23             Solar Orbiter Remote Sensing Window 23
* Sep 12-20             Parker Solar Probe perihelion pass
* Oct 1-6               Solar Orbiter Remote Sensing Window 24
* Dec 9-17              Parker Solar Probe perihelion pass

2026:

* Mar 8-16              Parker Solar Probe perihelion pass
* Jun 4-12              Parker Solar Probe perihelion pass
* Sep 1-9               Parker Solar Probe perihelion pass
* 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, 22-Apr-2025 17:11:50 UTC

Last Revised: Tuesday, 07-Jan-2025 19:15:32 UTC
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