| タイトル | Launch window expansion and trajectory correction strategies prior to the first lunar swingby |
| 著者（英） | Jen, Shao-Chiang; Ishii, Nobuaki; Kawaguchi, Jun'ichiro; Engel, Cheryl; Dunham, David W. |
| 著者所属（英） | Tokyo Univ.|Computer Sciences Corp.|NASA Goddard Space Flight Center |
| 発行日 | 1989-01-01 |
| 言語 | eng |
| 内容記述 | Double lunar swing-by (DLSB) orbits will be employed by 'Geotail' and other spacecraft in the International Solar Terrestrial Physics program in order to conduct observations in the geomagnetic tail and front field regions of the earth begining in 1992. For these missions, first swing-by dates are virtually fixed due to the dependency of the inertial frame apsis direction on them; in addition, the relative velocity magnitude to the moon is defined so that the DLSB condition will hold rigorously. These two conditions entail that the spacecraft intercept the moon on the prescribed dates. Several revolutions in intermediate transfer orbits are required prior to the first swing-by, in order to adjust flight time while maintaining the requisite lunar swing-by date. |
| NASA分類 | ASTRODYNAMICS |
| レポートNO | 90A43507
AAS PAPER 89-168 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/354850 |
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