The Actual Dynamical Environment About Itokawa

The Actual Dynamical Environment About Itokawa
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DOI:
10.2514/6.2006-6661
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发表时间:
2006-08
期刊:
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影响因子:
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通讯作者:
D. Scheeres;R. Gaskell;S. Abe;O. Barnouin-Jha;T. Hashimoto;J. Kawaguchi;T. Kubota;J. Saito;M. Yoshikawa;N. Hirata;T. Mukai;M. Ishiguro;T. Kominato;K. Shirakawa;M. Uo
D. Scheeres;R. Gaskell;S. Abe;O. Barnouin-Jha;T. Hashimoto;J. Kawaguchi;T. Kubota;J. Saito;M. Yoshikawa;N. Hirata;T. Mukai;M. Ishiguro;T. Kominato;K. Shirakawa;M. Uo
中科院分区:
其他
文献类型:
--
作者:
D. Scheeres;R. Gaskell;S. Abe;O. Barnouin-Jha;T. Hashimoto;J. Kawaguchi;T. Kubota;J. Saito;M. Yoshikawa;N. Hirata;T. Mukai;M. Ishiguro;T. Kominato;K. Shirakawa;M. Uo

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使用隼鸟使命接近该小行星阶段估计的形状和旋转状态模型,研究了小行星25143 Itokawa周围和其上的动力环境。我们首先讨论假设密度为常数的形状模型的一般引力性质。接下来,我们将讨论该天体在表面和轨道上的实际动力学环境,并考虑隼鸟式航天器的轨道动力学。然后,我们详细介绍了一种用于估计身体质量的方法,使用光学和激光雷达成像,在近距离阶段。
The dynamical environment about and on Asteroid 25143 Itokawa is studied using the shape and rotation state model estimated during the close proximity phase of the Hayabusa mission to that asteroid. We first discuss the general gravitational properties of the shape model assuming a constant density. Next we discuss the actual dynamical environment about this body, both on the surface and in orbit, and consider the orbital dynamics of a Hayabusa-like spacecraft. Then we detail one of the approaches used to estimate the mass of the body, using optical and lidar imaging, during the close proximity phase.