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Information
about STEREO-A close approach to Earth, August 2023
STEREO Coordinated Observations Calendar - 2014
Below, please find the archived plans for STEREO operations in the year 2014.
Some unplanned events are also included.
All dates and times are UTC unless otherwise specified. More detailed plans
can be found in the weekly schedules (Ahead,
Behind).
This page is also available as plain text.
Information about reduced science operations during the solar conjunction
period between August 2014 and November 2015 can be found
here.
-------------------------------------------------------------------------------
Scheduled activities for Week 01:
M Dec 30 (364)
T Dec 31 (365)
W Jan 01 (001) New Year
T Jan 02 (002)
F Jan 03 (003)
S Jan 04 (004)
S Jan 05 (005) Behind: Dropped to standby mode at 09:46 UT due to IMU-B
failure. COR1 and COR2 doors closed.
Notes:
* Significant telemetry shortages are expected for both spacecraft during the
week.
-------------------------------------------------------------------------------
Scheduled activities for Week 02:
M Jan 06 (006) Behind: Recovered to operational mode on IMU-A at 21:18 UT.
T Jan 07 (007) Ahead: HGA calibration, 19:00 UT
Behind: Start reduced gyro operations
W Jan 08 (008)
T Jan 09 (009)
F Jan 10 (010)
S Jan 11 (011)
S Jan 12 (012)
Notes:
* Significant telemetry shortages are expected for the Ahead spacecraft during
the week.
-------------------------------------------------------------------------------
Scheduled activities for Week 03:
M Jan 13 (013)
T Jan 14 (014)
W Jan 15 (015)
T Jan 16 (016) Ahead: Momentum dump, 13:30 UT
F Jan 17 (017)
S Jan 18 (018)
S Jan 19 (019)
Notes:
* Significant telemetry shortages are expected for both spacecraft during the
week.
-------------------------------------------------------------------------------
Scheduled activities for Week 04:
M Jan 20 (020) Behind: Momentum dump, 23:00 UT
T Jan 21 (021)
W Jan 22 (022)
T Jan 23 (023)
F Jan 24 (024)
S Jan 25 (025)
S Jan 26 (026)
Notes:
* Significant telemetry shortages are expected for both spacecraft during the
week.
-------------------------------------------------------------------------------
Scheduled activities for Week 05:
M Jan 27 (027)
T Jan 28 (028)
W Jan 29 (029)
T Jan 30 (030)
F Jan 31 (031)
S Feb 01 (032)
S Feb 02 (033)
-------------------------------------------------------------------------------
Scheduled activities for Week 06:
M Feb 03 (034)
T Feb 04 (035)
W Feb 05 (036)
T Feb 06 (037)
F Feb 07 (038)
S Feb 08 (039)
S Feb 09 (040)
Notes:
* Significant telemetry shortages for the Behind spacecraft are expected during
the week.
-------------------------------------------------------------------------------
Scheduled activities for Week 07:
M Feb 10 (041)
T Feb 11 (042) Ahead: SECCHI stepped calibration roll, 06:25 UT
W Feb 12 (043)
T Feb 13 (044)
F Feb 14 (045)
S Feb 15 (046)
S Feb 16 (047)
-------------------------------------------------------------------------------
Scheduled activities for Week 08:
M Feb 17 (048)
T Feb 18 (049)
W Feb 19 (050) Ahead: Momentum dump, 18:30 UT
T Feb 20 (051) Behind: MAG anomaly after 3 UT
F Feb 21 (052)
S Feb 22 (053)
S Feb 23 (054)
-------------------------------------------------------------------------------
Scheduled activities for Week 09:
M Feb 24 (055) Ahead: Perihelion
T Feb 25 (056) Behind: IMPACT IDPU power cycled to clear MAG anomaly
W Feb 26 (057) Behind: IMPACT IDPU reset to restore PLASTIC data
T Feb 27 (058) Ahead: SECCHI watchdog reset 9:46-18:00 UT
Behind: Momentum dump, 00:30 UT
F Feb 28 (059)
S Mar 01 (060)
S Mar 02 (061)
-------------------------------------------------------------------------------
Scheduled activities for Week 10:
M Mar 03 (062)
T Mar 04 (063)
W Mar 05 (064)
T Mar 06 (065)
F Mar 07 (066)
S Mar 08 (067)
S Mar 09 (068) Daylight saving time starts
Notes:
* Significant telemetry shortages are expected for both spacecraft during the
week.
-------------------------------------------------------------------------------
Scheduled activities for Week 11:
M Mar 10 (069)
T Mar 11 (070)
W Mar 12 (071)
T Mar 13 (072)
F Mar 14 (073)
S Mar 15 (074)
S Mar 16 (075)
Notes:
* Significant telemetry shortages are expected for the Ahead spacecraft during
the week.
-------------------------------------------------------------------------------
Scheduled activities for Week 12:
M Mar 17 (076)
T Mar 18 (077)
W Mar 19 (078)
T Mar 20 (079)
F Mar 21 (080)
S Mar 22 (081)
S Mar 23 (082)
-------------------------------------------------------------------------------
Scheduled activities for Week 13:
M Mar 24 (083)
T Mar 25 (084) Behind: SECCHI stepped calibration roll, 16:40 UT
W Mar 26 (085) Ahead: Momentum dump, 21:30 UT
T Mar 27 (086)
F Mar 28 (087)
S Mar 29 (088)
S Mar 30 (089)
-------------------------------------------------------------------------------
Scheduled activities for Week 14:
M Mar 31 (090)
T Apr 01 (091)
W Apr 02 (092) Behind: Momentum dump, 15:30 UT
T Apr 03 (093) Behind: PIT test with station 25
F Apr 04 (094)
S Apr 05 (095) Behind: Return-to-service test with station 63
Ahead: SECCHI watchdog reset, 17:12-21:56 UT
S Apr 06 (096)
Notes:
* Significant telemetry shortages are expected for both spacecraft during the
week.
-------------------------------------------------------------------------------
Scheduled activities for Week 15:
M Apr 07 (097) Ahead: Return-to-service test with station 63
T Apr 08 (098)
W Apr 09 (099)
T Apr 10 (100)
F Apr 11 (101)
S Apr 12 (102)
S Apr 13 (103)
-------------------------------------------------------------------------------
Scheduled activities for Week 16:
M Apr 14 (104) Ahead: COR2 long-exposure campaign
T Apr 15 (105) Ahead: COR2 long-exposure campaign
W Apr 16 (106) Ahead: COR2 long-exposure campaign
T Apr 17 (107)
F Apr 18 (108)
S Apr 19 (109)
S Apr 20 (110)
-------------------------------------------------------------------------------
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)
S Apr 26 (116)
S Apr 27 (117)
-------------------------------------------------------------------------------
Scheduled activities for Week 18:
M Apr 28 (118)
T Apr 29 (119) Behind: Mercury transit
W Apr 30 (120) Ahead: Momentum dump, 15:00 UT
T May 01 (121)
F May 02 (122)
S May 03 (123)
S May 04 (124)
-------------------------------------------------------------------------------
Scheduled activities for Week 19:
M May 05 (125)
T May 06 (126) Behind: Momentum dump, 23:30 UT
W May 07 (127)
T May 08 (128)
F May 09 (129)
S May 10 (130) Ahead: HGA slew test during D14 pass
S May 11 (131)
-------------------------------------------------------------------------------
Scheduled activities for Week 20:
M May 12 (132)
T May 13 (133)
W May 14 (134)
T May 15 (135) Ahead: SECCHI watchdog reset, 13:35-18 UT
F May 16 (136)
S May 17 (137) Behind: HGA slew test during D43 pass
S May 18 (138)
-------------------------------------------------------------------------------
Scheduled activities for Week 21:
M May 19 (139)
T May 20 (140) Ahead: SECCHI stepped calibration roll, 14:45 UT
W May 21 (141)
T May 22 (142)
F May 23 (143) Behind: LGA calibration test
S May 24 (144)
S May 25 (145)
-------------------------------------------------------------------------------
Scheduled activities for Week 22:
M May 26 (146) Memorial Day
T May 27 (147)
W May 28 (148)
T May 29 (149)
F May 30 (150)
S May 31 (151)
S Jun 01 (152)
-------------------------------------------------------------------------------
Scheduled activities for Week 23:
M Jun 02 (153)
T Jun 03 (154) Momentum dumps, Ahead: 17:30 UT, Behind: 23:00 UT
W Jun 04 (155)
T Jun 05 (156)
F Jun 06 (157)
S Jun 07 (158) Ahead: LGA calibration test
Behind: SECCHI watchdog reset, 15-18 UT
S Jun 08 (159)
-------------------------------------------------------------------------------
Scheduled activities for Week 24:
M Jun 09 (160)
T Jun 10 (161)
W Jun 11 (162)
T Jun 12 (163)
F Jun 13 (164) Ahead: HGA side-lobe test during station 63 pass
S Jun 14 (165)
S Jun 15 (166)
-------------------------------------------------------------------------------
Scheduled activities for Week 25:
M Jun 16 (167)
T Jun 17 (168)
W Jun 18 (169)
T Jun 19 (170)
F Jun 20 (171)
S Jun 21 (172)
S Jun 22 (173)
-------------------------------------------------------------------------------
Scheduled activities for Week 26:
M Jun 23 (174)
T Jun 24 (175)
W Jun 25 (176)
T Jun 26 (177) Ahead: HGA calibration, 1:30 UT
Ahead: MOps Readiness for S/C Testing Review
F Jun 27 (178)
S Jun 28 (179)
S Jun 29 (180)
-------------------------------------------------------------------------------
Scheduled activities for Week 27:
M Jun 30 (181)
T Jul 01 (182)
W Jul 02 (183) Behind: Momentum dump, 20:00 UT
T Jul 03 (184)
F Jul 04 (185) Independence Day
S Jul 05 (186)
S Jul 06 (187) Ahead: Turn instruments off, 18:00 UT
Notes:
* Solar conjunction operations test on Ahead, Jul 6-12. All science
instruments will be off during this test.
-------------------------------------------------------------------------------
Scheduled activities for Week 28:
M Jul 07 (188) Ahead: Momentum dump using first side lobe, 09:00 UT
Ahead: Command s/c reset, 09:45 UT, up on second side lobe
T Jul 08 (189)
W Jul 09 (190) Ahead: Start spacecraft rotation via time-tagged command
Behind: Perihelion
T Jul 10 (191) Ahead: Autonomous reset, 09:45 UT
Ahead: Stop rotating, 19:45 UT, recover back to HGA +1 degree
F Jul 11 (192) Instrument SSR partitioning and real-time telemetry rates due
Ahead: Power on instruments.
S Jul 12 (193) Ahead: Back to nominal HGA pointing.
S Jul 13 (194)
Notes:
* Solar conjunction operations test on Ahead, Jul 6-11. All science
instruments will be off during this test. Instrument power on started on
Friday, Jul 11, and will continue over the next several days.
* All instruments recovered on Friday, Jul 11. Work continues on IMPACT/SIT.
-------------------------------------------------------------------------------
Scheduled activities for Week 29:
M Jul 14 (195) Ahead: IMPACT/SIT HV ramp-up complete
T Jul 15 (196) Behind: SECCHI stepped calibration roll, 04:35 UT
Behind: HGA calibration, 13:00 UT
Ahead: Problem with fine pointing lock corrected
W Jul 16 (197)
T Jul 17 (198) Ahead: Project interface test with new 34 meter station D35
F Jul 18 (199)
S Jul 19 (200)
S Jul 20 (201)
-------------------------------------------------------------------------------
Scheduled activities for Week 30:
M Jul 21 (202)
T Jul 22 (203)
W Jul 23 (204)
T Jul 24 (205) Behind: Project interface test with new 34 meter station D35
F Jul 25 (206)
S Jul 26 (207)
S Jul 27 (208) Behind: Return-to-service test with D26
-------------------------------------------------------------------------------
Scheduled activities for Week 31:
M Jul 28 (209) Behind: Momentum dump, 19:45 UT
T Jul 29 (210) Behind: COR1,COR2 doors closed due to scheduling error
W Jul 30 (211) Behind: Project interface test with new 34 meter station D35
T Jul 31 (212)
F Aug 01 (213)
S Aug 02 (214)
S Aug 03 (215) Behind: Operational HGA Side Lobe Test
-------------------------------------------------------------------------------
Scheduled activities for Week 32:
M Aug 04 (216) Ahead: Momentum dump, 18:00 UT
T Aug 05 (217)
W Aug 06 (218) Ahead: Test of side lobe telemetry rates, 16:30 UT
T Aug 07 (219)
F Aug 08 (220)
S Aug 09 (221)
S Aug 10 (222) Ahead: SECCHI watchdog reset, 20:15 UT
-------------------------------------------------------------------------------
Scheduled activities for Week 33:
M Aug 11 (223) Ahead: Recovery from SECCHI watchdog reset, 10:00 UT
T Aug 12 (224) Ahead: SECCHI stepped calibration roll, 17:50 UT
W Aug 13 (225)
T Aug 14 (226) Ahead: Battery conditioning
F Aug 15 (227)
S Aug 16 (228) Ahead: Aphelion
S Aug 17 (229)
-------------------------------------------------------------------------------
Scheduled activities for Week 34:
M Aug 18 (230)
T Aug 19 (231) Ahead: SSR reconfiguration
W Aug 20 (232) Ahead: HGA on 1st side lobe, in IMPACT-prime mode
T Aug 21 (233)
F Aug 22 (234)
S Aug 23 (235)
S Aug 24 (236)
-------------------------------------------------------------------------------
Scheduled activities for Week 35:
M Aug 25 (237) Ahead: Test with 34 meter at 633 bps, both side lobes
Behind: Momentum dump, 18:30 UT
T Aug 26 (238)
W Aug 27 (239)
T Aug 28 (240)
F Aug 29 (241) Ahead: Momentum dump, 00:30 UT
S Aug 30 (242)
S Aug 31 (243)
Notes:
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 36:
M Sep 01 (244) Labor Day
T Sep 02 (245)
W Sep 03 (246)
T Sep 04 (247) Behind: SECCHI watchdog reset, 18:16 UT
F Sep 05 (248) Behind: SECCHI observations resume, 18:00 UT
S Sep 06 (249)
S Sep 07 (250)
Notes:
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 37:
M Sep 08 (251)
T Sep 09 (252)
W Sep 10 (253)
T Sep 11 (254)
F Sep 12 (255)
S Sep 13 (256)
S Sep 14 (257)
Notes:
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 38:
M Sep 15 (258)
T Sep 16 (259)
W Sep 17 (260)
T Sep 18 (261)
F Sep 19 (262)
S Sep 20 (263)
S Sep 21 (264) MAVEN arrival at Mars
Notes:
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 39:
M Sep 22 (265)
T Sep 23 (266)
W Sep 24 (267) Ahead: Test of SECCHI sidelobe-2/default schedule
T Sep 25 (268)
F Sep 26 (269)
S Sep 27 (270) Behind: Instruments off for solar conjunction testing, 18 UT
(except SWAVES)
S Sep 28 (271) Behind: Switch to first side lobe. Momentum dump, 16:30 UT.
Spacecraft reset at 17:30 UT, come up at 633 bps,
rotating 5 degrees/minute.
Notes:
* Test of solar conjunction operations on Behind, Sep 27-Oct 3
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 40:
M Sep 29 (272) Behind: Solar conjunction testing continues
Behind: Timed command to 3-axis stabilized, 5:30 UT
T Sep 30 (273) Behind: Switch to -Z LGA, 17:30 UT
Ahead: Momentum dump, 22:00 UT
W Oct 01 (274) Behind: Switch to +Z LGA and start rotating, 5:30 UT
Hard command loss timer, 17:50, switch to 3 axis stab.
Switch from 2nd side lobe to 1 degree offset, 120 kbps
T Oct 02 (275) Behind: Command back to 0 degree offset on main lobe. Recover
spacecraft, start powering instruments back on.
F Oct 03 (276) Behind: Continue recovery as needed
S Oct 04 (277)
S Oct 05 (278)
Notes:
* Test of solar conjunction operations on Behind, starting Sep 27. Spacecraft
recovery delayed from above schedule due to communication problems.
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 41:
M Oct 06 (279)
T Oct 07 (280)
W Oct 08 (281)
T Oct 09 (282)
F Oct 10 (283)
S Oct 11 (284)
S Oct 12 (285)
Notes:
* Communications have not yet been re-established with the Behind spacecraft.
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 42:
M Oct 13 (286)
T Oct 14 (287)
W Oct 15 (288)
T Oct 16 (289)
F Oct 17 (290)
S Oct 18 (291)
S Oct 19 (292)
Notes:
* Emergency DSN contacts for Behind requested through Oct 19.
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
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) 8th anniversary of STEREO launch
S Oct 26 (299)
Notes:
* Emergency DSN contacts for Behind requested through Nov 9.
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
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) End of daily savings time in U.S.
Notes:
* Emergency DSN contacts for Behind requested through Nov 9.
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 45:
M Nov 03 (307)
T Nov 04 (308)
W Nov 05 (309) Ahead: Momentum dump, 21:00 UT
T Nov 06 (310)
F Nov 07 (311)
S Nov 08 (312)
S Nov 09 (313)
Notes:
* Emergency DSN contacts for Behind requested through Nov 9.
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 46:
M Nov 10 (314)
T Nov 11 (315)
W Nov 12 (316)
T Nov 13 (317)
F Nov 14 (318)
S Nov 15 (319)
S Nov 16 (320) Ahead: PIT test with D35, 20-22 UT, test of space weather
Notes:
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 47:
M Nov 17 (321)
T Nov 18 (322)
W Nov 19 (323)
T Nov 20 (324)
F Nov 21 (325)
S Nov 22 (326)
S Nov 23 (327) Ahead: Return-to-service track with D63.
Notes:
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 48:
M Nov 24 (328)
T Nov 25 (329)
W Nov 26 (330)
T Nov 27 (331) Thanksgiving
F Nov 28 (332)
S Nov 29 (333)
S Nov 30 (334)
Notes:
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 49:
M Dec 01 (335)
T Dec 02 (336)
W Dec 03 (337)
T Dec 04 (338)
F Dec 05 (339)
S Dec 06 (340)
S Dec 07 (341)
Notes:
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 50:
M Dec 08 (342)
T Dec 09 (343) Ahead: Momentum dump, 20:30 UT
W Dec 10 (344)
T Dec 11 (345)
F Dec 12 (346)
S Dec 13 (347)
S Dec 14 (348)
Notes:
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 51:
M Dec 15 (349) Ahead: Star tracker temperature set-point reset
Ahead: Return-to-service track for D14
T Dec 16 (350)
W Dec 17 (351)
T Dec 18 (352)
F Dec 19 (353)
S Dec 20 (354)
S Dec 21 (355)
Notes:
* Ahead operating on first side lobe, in SWAVES-prime mode.
-------------------------------------------------------------------------------
Scheduled activities for Week 52:
M Dec 22 (356)
T Dec 23 (357)
W Dec 24 (358)
T Dec 25 (359) Christmas
F Dec 26 (360)
S Dec 27 (361) Ahead: PIT test with station station 14.
S Dec 28 (362)
Notes:
* Ahead operating on first side lobe, in IMPACT-prime mode.
-------------------------------------------------------------------------------
Plans last modified Monday, 31-Aug-2015 19:36:29 UTC
Last Revised: Wednesday, 28-Sep-2016 16:13:52 UTC
Responsible NASA Official: ![[email address: Therese.A.Kucera<at>nasa<dot>gov]](/img/kucera_email1.jpg)
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