Volume 39 Issue 3
May  2019
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LI Hao, KONG Xiangsen, ZHAO Chuan. Model and Impact Risk Assessment of Meteoroid for Marsormalsize[J]. Chinese Journal of Space Science, 2019, 39(3): 283-294. doi: 10.11728/cjss2019.03.283
Citation: LI Hao, KONG Xiangsen, ZHAO Chuan. Model and Impact Risk Assessment of Meteoroid for Marsormalsize[J]. Chinese Journal of Space Science, 2019, 39(3): 283-294. doi: 10.11728/cjss2019.03.283

Model and Impact Risk Assessment of Meteoroid for Marsormalsize

doi: 10.11728/cjss2019.03.283
  • Received Date: 2018-04-20
  • Rev Recd Date: 2018-10-17
  • Publish Date: 2019-05-15
  • A Meteoroid is a small rocky or metallic body in the space. In the solar system, most meteoroids are fragments from comets or asteroids. In the space between Earth and Mars, the speed of meteoroid ranges from 24.13km·-1 to 42.2km·-1. The high speed meteoroid may cause catastrophic damage to Mars probes. In this paper, the meteoroid environment models for the flight from Earth to Mars and the flight in the near-Mars orbits are established respectively. The meteoroid environment models are established based on the zodiacal light observations by the space probes Helios I and Ⅱ, and the observed orbital parameters of comets. The assessment method of meteoroid impact risk for the Mars orbiter mission is also established using the finite element method. A Mars probe with relative anomalous shape is proposed, and the meteoroid impact risk of this assumed Mars probe is predicted for demonstration purpose.


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