Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005acasn..46...62z&link_type=abstract
Acta Astronomica Sinica, vol. 46, no. 1, p. 62-69
Astronomy and Astrophysics
Astronomy
2
Artificial Satellite: Satellite-To-Satellite Tracking (Sst), Separation, Gravitational Field Of Earth
Scientific paper
The problem of satellite-to-satellite tracking (SST) separation parameter be discussed in two aspects. First is compared the SST range and range rate variation with different SST separations due to geopotential perturbation. Second is recovered the Earth's gravity field from different SST separations with 1?m/s SST range rate random noise, and discussed the accuracy of the gravity field solution. Results indicated that the accuracy of the gravity field recovery increased when increasing the satellite separation of the two satellites, but unlimited increment was not valid. For the two satellites at about 420km altitude, the best SST separation parameter should not be more than 690km. The simulation method and results may be more significant to select the SST separation parameter for our country's gravity satellite system.
Peng Bangbao
Wu Baofeng
Xu Hou-Ze
Zhou Xin-Hua
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