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China National ReportChina National Report
10-06-2008, Prague, Czech Republic10-06-2008, Prague, Czech Republic
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ContentContent
• Space Science Plan 2010-2025Space Science Plan 2010-2025• Mission ReportMission Report
– In operation: In operation: • Double Star ProgramDouble Star Program• Lunar Exploration – Chang’E-1Lunar Exploration – Chang’E-1
– Under development:Under development:• YH-1 Mars’ Space Environment ExplorationYH-1 Mars’ Space Environment Exploration
– In study:In study:• SMESE, KuaFu, MIT, SPORTSMESE, KuaFu, MIT, SPORT
• RemarksRemarks
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Space Science Plan 2010-2025Space Science Plan 2010-2025• Chinese Academy of Science is conducting a study for a
space science plan 2010-2025• The study includes
– A survey of basic research force in China in space science, it turned out that the number of manpower is around 4000, in the areas of space astronomy, space physics/exploration, microgravity science and space life science
– A review of NASA, ESA, Roscosmos, JAXA, ISRO, and other nations space strategy and plans
– A study of fundamental scientific problems that should be solved– Roadmaps (with mission plans) to give solutions to those proble
ms– Technology support requirement to implement the proposed mis
sions– Publication of this plan will be released later this year
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Mission Report Mission Report in operationin operation
• Double Star ProgramDouble Star Program– TC-1 had re-entry by Oct. 2007– TC-2 is still working well after the recovery
from a two months no signal– Special Issue on JGR will be published soon.
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Mission Report Mission Report in operationin operation
• TC-1 orbit before re-entry
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Mission Report Mission Report in operationin operation
• Lunar Exploration – Chang’E-1– Successful launch on Oct.
24, 2007– All scientific payloads are
working well and getting data
– The complete surface of the Moon has been covered already with 3D-CCD camera
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Mission Report Mission Report in operationin operation
• Solar Wind Detector– Energy range : 0.05 ~ 20 ke
V– Energy sweep step : 48 – Field of View: 6.7º180º– Angular resolution: 6.7º15º
– Geometric factor: 8.1×10-6E
(cm2.sr.keV)
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Mission Report Mission Report under developmentunder development
• YH-1 Mars’ Space Environment ExploraYH-1 Mars’ Space Environment Explorationtion– Scientific Objectives : Exploring the Mars’ Space En
vironment (MSE)- 4 scientific instruments
- Flux gate magnetometer- Plasma detectors- S-S occultation measurement receiver- Medium resolution optical camera
- 800X80,000km orbit, launch with Phobos-Grunt
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Mission Report Mission Report under developmentunder development
Phobos-Grunt orbit after release of YH-1
YH-1 orbit
Occultation measurement opportunities
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Mission Report Mission Report in studyin study
• SMESE - Small Mission of Exploration on Solar Eruptions– An approved Sino-French mission in Phase A– Will have good contribution on Solar eruption
studies including flares and CME, and will have good contribution to ILWS
– Currently on the French side has some difficulties to go ahead due to programmatic reasons, final decision may be made Apr.09
– Still wish to launch it by 2012-2013
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Mission Report Mission Report in studyin study
• KuaFuKuaFu– CNSA has supported two background proj
ect studies • Scientific objectives and payloads selection• Spacecraft feasibility
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Mission Report Mission Report in studyin study
• The 2nd International Symposium on Kuafu project was held in Sanya, Haiyan, 14-20 Jan. 2007
• Review for the Scientific Objectives Payload Selection have been finished 1 June, 2007, with a strong support from the scientific community
• Review for the s/c feasibility has also concluded Sept. 2007
• No decision made by the government yet!
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Mission Report Mission Report in studyin study
• MIT – Magnetosphere, Ionoshpere and Thermosphere coupling project
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Mission Report Mission Report in studyin study
• Scientific Objectives of MIT(1)• The triggering processes of magnetospheric substor
ms • O+ outflow fluxes, their variations with geophysical
conditions, and their relationship with geomagnetic substorm/storm dynamic
• The effect of the transport of ionospheric ions into the magnetosphere.
• Global electric field distributions during geomagnetic storms, their temporal and spatial variations, and their changes with ionospheric conductivity.
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Mission Report Mission Report in studyin study
• Scientific Objectives of MIT(2)• Global neutral wind and temperature variations during
geomagnetic storms; seasonal and diurnal effect on these variations; recovery of the thermosphere and ionosphere after storms.
• The generation, propagation and dissipation of large scale gravity waves in the ionosphere/thermosphere during and after the storms.
• Global tidal structures in ionosphere/thermosphere and its variation during geomagnetic storm.
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SPORT - Solar Polar Orbit Radio Telescope SPORT - Solar Polar Orbit Radio Telescope – To imaging the high density plasma clouds at radio wave
band from solar polar orbit– Provide measurement evidence to the numerical model of
ICME propagation– Provide interplanetary space weather forecast– In-situ Measure the global distribution of solar wind– Discover the heating, accelerating and super radial
dilation of solar wind– Obtain the distribution and total output of solar angular
momentum
Mission Report Mission Report in studyin study
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SPORT spacecraft
Mission Report Mission Report in studyin study
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Spatial resolution requiredIn order to follow the ICME explicitly, a 20x20 cells within 1 AU is necessary
Which correspond a spatial resolution ability of < 4.5 deg.Which correspond a spatial resolution ability of < 4.5 deg.
At 15MHz, this require a physical antenna aperture of 270mAt 15MHz, this require a physical antenna aperture of 270m
Mission Report Mission Report in studyin study
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Using time-shared scan design of interfero-metric radiometer
Mission Report Mission Report in studyin study
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Remarks
• China is a developing country that the national space policy is certainly focus on application satellite, not scientific satellite!
• However, a few missions can be supported if it has significant scientific value and international participations
• CNSA is under government reform. Future plans will be re-confirmed by a new organization later this year
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Thank YouThank You
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¤
Magnetosphere, Ionosphere and Thermosphere Coupling Project(MIT Coupling Project)
¤ ¤¤
Magnetosphere, Ionosphere and Thermosphere Coupling
Project(MIT Coupling Project)
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• The triggering processes of magnetospheric substorms: the effects and interaction between the magnetic field fluxes tailward and earthward; the effect of solar wind and the energy transfer from solar wind to magnetosphere via dayside magnetopause.
• O+ outflow fluxes, their variations with geophysical conditions, and their relationship with geomagnetic substorm/storm dynamics.
Science Objectives
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• The effect of the transport of ionospheric ions into the magnetosphere.
• Global electric field distributions during geomagnetic storms, their temporal and spatial variations, and their changes with ionospheric conductivity.
• Global neutral wind and temperature variations during geomagnetic storms; seasonal and diurnal effect on these variations; recovery of the thermosphere and ionosphere after storms.
Science Objectives
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• The generation, propagation and dissipation of large scale gravity waves in the ionosphere/thermosphere during and after the storms.
• Global tidal structures in ionosphere/thermosphere and its variation during geomagnetic storm.
Science Objectives
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The project contains 4 satellites:
Ionosphere/Thermosphere satellites (IT1 and IT2): polar orbit with an altitude of 600 km. The orbits of two satellites are perpendicular;
Magnetospheric satellite ( M ): polar orbit with an altitude of 1Re by 7Re ;
Near earth solar wind satellite ( S ): equatorial orbit with an altitude of 3Re by 25Re.
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The orbits of satellites
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Main Instrument Payload• Magnetic Field Detector• Low-Frequency Electric Magnetic Waves Detector • Electric Field Detector• Neutral Particle Spectrometer • Plasma Analysis System• Neutral Atom Imager• Aurora Imager• Limb Aurora/Airglow Imager• Atmospheric Wind and Temperature Remote Sensor• GPS Receiver • Three Frequency Radio Beacon
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Project Status• The prestudy of this project is supported jo
intly by Chinese Academy of Science and CNSA.
• The engineering phase: expected start 2013.
• Study and manufacture of scientific instrument payload: 2014 - 2017 .
• Launch planned for 2018.• Expected lifetime: 2 years.