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China National Report 10-06-2008, Prague, Czech Republic.

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Presentation on theme: "China National Report 10-06-2008, Prague, Czech Republic."— Presentation transcript:

1 China National Report 10-06-2008, Prague, Czech Republic

2 Content Space Science Plan 2010-2025Space Science Plan 2010-2025 Mission ReportMission Report –In operation: Double Star ProgramDouble Star Program Lunar Exploration – Chang’E-1Lunar Exploration – Chang’E-1 –Under development: YH-1 Mars’ Space Environment ExplorationYH-1 Mars’ Space Environment Exploration –In study: SMESE, KuaFu, MIT, SPORTSMESE, KuaFu, MIT, SPORT RemarksRemarks

3 Space 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 problems –Technology support requirement to implement the proposed missions –Publication of this plan will be released later this year

4 Mission Report in 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.

5 Mission Report in operation TC-1 orbit before re-entry

6 Mission Report in 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

7 Mission Report in operation Solar Wind Detector –Energy range : 0.05 ~ 20 keV –Energy sweep step : 48 –Field of View: 6.7º  180º –Angular resolution: 6.7º  15º –Geometric factor: 8.1×10-6E (cm2.sr.keV)

8 Mission Report under development YH-1 Mars’ Space Environment ExplorationYH-1 Mars’ Space Environment Exploration –Scientific Objectives : Exploring the Mars’ Space Environment (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

9 Mission Report under development Phobos-Grunt orbit after release of YH-1 YH-1 orbit Occultation measurement opportunities

10 Mission Report in 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

11 Mission Report in study KuaFuKuaFu –CNSA has supported two background project studies Scientific objectives and payloads selection Spacecraft feasibility

12 Mission Report in 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!

13 Mission Report in study MIT – Magnetosphere, Ionoshpere and Thermosphere coupling project

14 Mission Report in study Scientific Objectives of MIT(1) The triggering processes of magnetospheric substorms 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.

15 Mission Report in 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.

16 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 in study

17 SPORT spacecraft Mission Report in study

18 Spatial resolution required In order to follow the ICME explicitly, a 20x20 cells within 1 AU is necessary Which correspond a spatial resolution ability of < 4.5 deg. At 15MHz, this require a physical antenna aperture of 270m Mission Report in study

19 Using time-shared scan design of interfero- metric radiometer Mission Report in study

20 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

21 Thank You

22 ¤ Magnetosphere, Ionosphere and Thermosphere Coupling Project (MIT Coupling Project) ¤¤ ¤ Magnetosphere, Ionosphere and Thermosphere Coupling Project (MIT Coupling Project)

23 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

24 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

25 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

26 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.

27 The orbits of satellites

28 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

29 Project Status The prestudy of this project is supported jointly 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.


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