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 23:

M Jun 02 (153)
T Jun 03 (154)	Ahead: SECCHI stepped calibration roll, 14:50 UT
W Jun 04 (155)
T Jun 05 (156)
F Jun 06 (157)
S Jun 07 (158)
S Jun 08 (159)

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Scheduled activities for Week 24:

M Jun 09 (160)
T Jun 10 (161)
W Jun 11 (162)  Ahead: Battery discharge cycle, 17:40 UT
T Jun 12 (163)
F Jun 13 (164)
S Jun 14 (165)
S Jun 15 (166)  PSP perihelion begins

Notes:

* Parker Solar Probe perihelion pass, June 15-24:
    - COR2 deep field (36 sec exp/5 min cadence) (Opp+Q w STA; R w Earth), Jun 19-22

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Scheduled activities for Week 25:

M Jun 16 (167)
T Jun 17 (168)
W Jun 18 (169) Ahead: Momentum Dump, 13:00 UT
T Jun 19 (170)
F Jun 20 (171)
S Jun 21 (172)
S Jun 22 (173)

Notes:

* Parker Solar Probe perihelion pass, June 15-24:
    - COR2 deep field (36 sec exp/5 min cadence) (Opp+Q w STA; R w Earth), Jun 19-22

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Scheduled activities for Week 26:

M Jun 23 (174)
T Jun 24 (175)  PSP perihelion ends
W Jun 25 (176)
T Jun 26 (177)
F Jun 27 (178)
S Jun 28 (179)
S Jun 29 (180)

Notes:

* Parker Solar Probe perihelion pass, June 15-24:
    - COR2 deep field (36 sec exp/5 min cadence) (Opp+Q w STA; R w Earth), Jun 19-22

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Scheduled activities for Week 27:

M Jun 30 (181)
T Jul 01 (182)
W Jul 02 (183)
T Jul 03 (184)
F Jul 04 (185) Independence Day holiday
S Jul 05 (186)
S Jul 06 (187)

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Scheduled activities for Week 28:

M Jul 07 (188)
T Jul 08 (189)
W Jul 09 (190)
T Jul 10 (191)
F Jul 11 (192)
S Jul 12 (193)
S Jul 13 (194)

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Upcoming events:

2025:

* 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, 03-Jun-2025 16:49:02 UTC

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