[FPSPACE] some facts about Yinhguo-1

[Paolo Ulivi]

I have just received from a contact in China an interesting presentation
about YH-1. Unfortunately he has asked me not to redistribute it...
just to summarize quickly:
- the 800x80000 km orbit will be quite suitable for exploring almost all
areas of interaction between the solar wind and the planet including the
ionospheric bow shock, magnetosheath, the pileup region and the tail and
plasma sheet. Only the lower ionosphere will be out of reach, but it could
still be sounded by mutual radiooccultations between Yinghuo and Fobos
Grunt.
- five-instrument payload, including a plasma package, consisting of an
electron analyzer and an ion analyzer and mass spectrometer, a
radiooccultation sounder, a magnetometer and a camera with 200 m resolution
at best to take pictures of Mars
- use of ESA and Russian deep space antennae
- 950 mm antenna, 12 W transmitter in two frequencies (8.4 and 7.17 GHz),
data rate between 8 bps and 16 kbps
- use of VLBI for localization
- 8.8 hour eclipses in November 2010 (apoapsis within Mars' shadow cone)
- launch window for FG and YH-1 nominally running from 6 to 16 October
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