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The three Inner
Heliospheric Sentinels would have been launched together. The proposed launch dates were 2014, 2015, or 2017. The nominal mission lasts three years, with an extension to five years if possible.
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139:. This would be a challenge to scientists and engineers working on these probes, as this is one-fourth the distance between the Earth and the Sun. These probes would make
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42:. Six spacecraft would have been launched, which would separate into three groups. The Solar Sentinels were proposed to be part of the
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31:. Solar Sentinels was proposed in 2006 in conjunction with other Sun missions, and another simpler proposal was submitted in 2008.
202:. As three spacecraft are needed to completely monitor this magnetic field, partnerships with two other spacecraft would be made:
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would also assist the mission. It would have been part of a group of four missions, including the
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The majority of the sentinels are the Inner
Heliospheric Sentinels (IHS), which would observe the
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There would have been six spacecraft: four identical spacecraft which would explore the inner
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would have been the final one before the first upcoming crewed missions to the
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Several other solar spacecraft would have helped with this mission, such as
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emissions would be included. Part of the mission concept includes
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95:. This was the last chance in 11 years to understand the
123:, and the final sentinel to trail slowly behind Earth.
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16:A 2006 concept for a series of missions to the Sun
119:, one spacecraft which would take its post near
175:The Near Earth Sentinel (NES) would study the
72:(CMEs) and interplanetary shocks in the inner
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8:
79:This mission's driving purpose was that the
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195:The Farside Sentinel (FSS) would study the
68:Understand the initiation and evolution of
62:Understand the acceleration and transit of
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359: (archived July 12, 2016) (NASA 2006)
34:It would have studied the Sun during its
299:Synergies of Orbiter & Probe+ (2009)
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38:, the last before the beginning of the
58:The goals of the Solar Sentinels are:
353:The Importance of the Solar Sentinels
7:
273:Ionosphere-Thermosphere Storm Probes
765:Electrojet Zeeman Imaging Explorer
496:Solar and Heliospheric Observatory
14:
945:
944:
1:
405:List of heliophysics missions
311:"Living With a Star missions"
349: (archived May 28, 2010)
127:Inner Heliospheric Sentinels
269:Radiation Belt Storm Probes
267:and the Geospace missions (
992:
631:Orbiting Solar Observatory
596:Intercosmos 26 (Koronas I)
504:Solar Dynamics Observatory
265:Solar Dynamics Observatory
249:Solar Dynamics Observatory
208:Solar Dynamics Observatory
940:
400:
343:Reports on Solar Sentinel
151:. Instruments to measure
64:solar energetic particles
23:was a series of proposed
409:List of solar telescopes
549:Apollo Telescope Mount
70:coronal mass ejections
697:Pioneer 6, 7, 8 and 9
554:Coronas F (Koronas F)
212:European Space Agency
135:at distances of 0.25
976:Cancelled spacecraft
394:Solar space missions
971:Missions to the Sun
171:Near Earth Sentinel
145:energetic particles
588:Hinotori (Astro-A)
488:Parker Solar Probe
315:Living With a Star
277:Living With a Star
48:Living With a Star
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317:. Archived from
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191:Farside Sentinel
143:measurements of
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357:Wayback Machine
347:Wayback Machine
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259:. Ground-based
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99:and the deadly
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21:Solar Sentinels
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337:External links
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200:magnetic field
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85:solar cycle 24
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25:space missions
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512:Solar Orbiter
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321:on 2007-07-17
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257:Solar Orbiter
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216:Solar Orbiter
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185:visible light
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105:solar maximum
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81:solar maximum
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41:
40:Orion program
37:
36:solar maximum
32:
30:
26:
22:
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813:
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611:ICE / ISEE-3
581:
569:
533:(since 1994)
528:
523:(since 2006)
515:(since 2020)
507:(since 2010)
499:(since 1995)
491:(since 2018)
483:(since 2013)
475:(since 2006)
467:(since 2015)
459:(since 2021)
456:CHASE (Xihe)
451:(since 2022)
436:(since 2023)
428:(since 1997)
323:. Retrieved
319:the original
314:
305:
275:), from the
234:
225:
197:photospheric
194:
177:solar corona
174:
140:
130:
114:
97:solar storms
78:
57:
33:
20:
18:
727:Spartan 201
444: [
231:Cooperation
117:heliosphere
74:heliosphere
965:Categories
325:2007-08-12
283:References
261:telescopes
111:Spacecraft
915:Sun-Earth
901:Pioneer E
865:Pioneer H
853:Cancelled
707:Prognoz 6
692:Pioneer 5
433:Aditya-L1
279:program.
101:radiation
950:Category
932:ACRIMSAT
844:Sundiver
827:Proposed
722:SolarMax
210:and the
167:flybys.
46:program
834:ADAHELI
797:TRACERS
789:SWFO-L1
773:PROBA-3
758:Planned
743:Ulysses
702:PROBA-2
680:Solwind
626:MinXSS2
621:MinXSS1
576:GOES 13
570:Genesis
564:ESRO 2B
418:Current
355:at the
345:at the
161:neutron
141:in-situ
27:to the
818:(2031)
808:(2028)
800:(2025)
792:(2025)
784:(2025)
776:(2024)
768:(2024)
712:RHESSI
687:PICARD
606:ISEE-2
601:ISEE-1
582:Helios
559:EURECA
520:STEREO
464:DSCOVR
251:, and
247:, the
245:Hinode
237:STEREO
222:Launch
159:, and
149:plasma
922:SORCE
906:OSO C
875:OSO K
870:OSO J
814:Vigil
781:PUNCH
737:TRACE
717:SOLAR
675:OSO 8
670:OSO 7
665:OSO 6
660:OSO 5
655:OSO 4
650:OSO 3
645:OSO B
641:OSO 2
636:OSO 1
592:IMP-8
448:]
441:ASO-S
241:Japan
165:Venus
157:radio
153:X-ray
121:Earth
103:of a
54:Goals
894:Lost
860:AOSO
839:SETH
542:Past
529:Wind
480:IRIS
271:and
204:NASA
183:and
147:and
93:Mars
91:and
89:Moon
44:NASA
19:The
927:SXI
425:ACE
255:'s
253:ESA
243:'s
214:'s
206:'s
179:in
133:Sun
83:of
29:Sun
967::
446:fr
407:-
313:.
291:^
239:,
218:.
187:.
181:UV
155:,
137:AU
107:.
50:.
643:/
386:e
379:t
372:v
328:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.