| タイトル | Preliminary results of the satellite orbit determination of Mariner Mars 1971. |
| 著者（英） | Christensen, E. J.; Reinbold , S. J.; Jordan, j. F.; Born, G. H. |
| 発行日 | 1972-01-01 |
| 言語 | eng |
| 内容記述 | The preflight planning and real-time experience relating to the navigation of the first artificial satellite placed about a distant planet is presented. Results of determining the orbit of Mariner 9 are presented and contrasted against the preflight simulation test results. It is concluded that the position of Mariner 9 was located to 40 km before coefficients of the gravity field of Mars were estimated. The planet Mars has been found to be 3 to 4 times gravitationally rougher than expected, with the dominant features, the 2nd order tesserals C22 and S22, causing the orbital period of Mariner 9 to oscillate with an amplitude of 40 seconds and a wavelength of 19.5 days. The direction of the Mars spin axis has been relocated from the Camichel-Burton value by 1/2 degree. |
| NASA分類 | NAVIGATION |
| レポートNO | 72A32186 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/461888 |
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