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China National Report

China National Report. 11-0-2007, Uppsala, Sweden China National Space Administration. Content. Double Star Program KuaFu SMESE Mars’ Space Environment Mission YH-1 Other Missions Under Studies SPORT MIT Remarks. Double Star Program.

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China National Report

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  1. China National Report 11-0-2007, Uppsala, Sweden China National Space Administration

  2. Content • Double Star Program • KuaFu • SMESE • Mars’ Space Environment Mission YH-1 • Other Missions Under Studies • SPORT • MIT • Remarks

  3. Double Star Program • TC-1 and TC-2 is expecting to end its lifetime by Oct. 2007 • Perigee of TC-1 is changing (down) rapidly • Altitude of TC-2 is about 42 deg. from the north pole, which effected the antenna pattern and communication link

  4. Double Star Program • TC-1 orbit forecast: perigee

  5. Double Star Program • TC-1 orbit forecast: apogee

  6. Double Star Program On the good side: • Up to May 2007, TC-1 had accumulated data (L1) 181.01G Bytes • The DSP data center website has a number of hit 1,556,609, ~1400/day • Publications (2004~11.2006）49, where SCI 30, citation 77

  7. Status of KuaFu Mission • CNSA has supported two background project studies • Scientific objectives and payloads selection • Spacecraft feasibility

  8. Status of KuaFu Mission • The 2nd International Symposium on Kuafu project was held in Sanya, Haiyan, 14-20 Jan. 2007 • Review for the Scientific Objectives Payload Selection have just been finished 1 June, 2007, with a strong support from the scientific community • Review for the s/c feasibility is going to be held soon

  9. Status of KuaFu Mission • Current problem is still on the possibility of early start of the engineering phase and to launch is around 2012 • CNSA is considering it a background study and may discuss start of the engineering phase early only if there is extra fund available • International cooperation is very welcome and will certainly be very helpful to speed up the project including providing spacecraft

  10. 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 • Still wish to launch it by 2012-2013

  11. Mars’ Space Environment Mission YH-1 • Participation on Phobos-Grunt Mission - Ying Hou-1 (YH-1) • 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

  12. Mars’ Space Environment Mission YH-1

  13. Other Missions Under Studies 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

  14. Other Missions Under Studies SPORT spacecraft

  15. Other Missions Under Studies • Spatial resolution required • In order to follow the CME explicitly, a 20x20 cells within 1 AU from the Sun should be enough Which correspond a spatial resolution ability of < 4.5 deg. At 15MHz, this require a physical antenna aperture of 270m

  16. Other Missions Under Studies Using time shared scan design - 0 redundant design in polar radius + rotation scan

  17. Other Missions Under Studies Using time shared scan design - 4 element clock rotation scan

  18. Other Missions Under Studies • “Clock Scan” concept

  19. Other Missions Under Studies • Extended Clock Scan

  20. Other Missions Under Studies • MIT – Magentosphere, Ionoshpere and Thermosphere coupling project

  21. Other Missions Under Studies • Scientific Objectives of MIT • Global neutral wind and temperature variations during geomagnetic storms; seasonal and diurnal effect on these variations; recovery of the thermosphere and ionosphere after storms • Global electric field distributions during geomagnetic storms, their temporal and spatial variations, and their changes with ionospheric conductivity • The generation, propagation and dissipation of large scale gravity waves in the thermosphere/ionosphere during and after the storms

  22. 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 support if it has significant scientific value and international participations • Scientists from China is very much like to give our contributions to the ILWS

  23. Thank You

  24. Possible New Task Group for Heliosphere • Solar task group is very big if it still takes care of the heliospheric space • The Inner-Interplanetary region is the key region of space weather forecast • ICME propagations has not being our attention • Deep space exploration missions need to know the heliospheric environment • Interaction of solar wind with other planets • Study of the termination shock, the bounder of our solar system, should be included in ILWS also

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