Optimization of Deflection of a Big NEO through Impact with a Small One
Using a small near-Earth object (NEO) to impact a larger and potentially threatening NEO has been suggested as an effective method to avert a collision with Earth. This paper develops a procedure for analysis of the technique for specific NEOs. First, an optimization method is used to select a prope...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/892395 |
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| _version_ | 1849396403433897984 |
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| author | Kaijian Zhu Weiping Huang Yuncai Wang Wei Niu Gongyou Wu |
| author_facet | Kaijian Zhu Weiping Huang Yuncai Wang Wei Niu Gongyou Wu |
| author_sort | Kaijian Zhu |
| collection | DOAJ |
| description | Using a small near-Earth object (NEO) to impact a larger and potentially threatening NEO has been suggested as an effective method to avert a collision with Earth. This paper develops a procedure for analysis of the technique for specific NEOs. First, an optimization method is used to select a proper small body from the database. Some principles of optimality are achieved with the optimization process. Then, the orbit of the small body is changed to guarantee that it flies toward and impacts the big threatening NEO. Kinetic impact by a spacecraft is chosen as the strategy of deflecting the small body. The efficiency of this method is compared with that of a direct kinetic impact to the big NEO by a spacecraft. Finally, a case study is performed for the deflection of the Apophis NEO, and the efficiency of the method is assessed. |
| format | Article |
| id | doaj-art-b292a264e6f441ab975c6720511e6ee3 |
| institution | Kabale University |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-b292a264e6f441ab975c6720511e6ee32025-08-20T03:39:21ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/892395892395Optimization of Deflection of a Big NEO through Impact with a Small OneKaijian Zhu0Weiping Huang1Yuncai Wang2Wei Niu3Gongyou Wu4State Key Laboratory of Astronautic Dynamics, Xi’an Satellite Control Center, Xi’an 710043, ChinaSchool of Management, Xi’an Jiaotong University, Xi’an 710043, ChinaBeijing Research Institute of Control and Electronic Technology, Beijing 100038, ChinaState Key Laboratory of Astronautic Dynamics, Xi’an Satellite Control Center, Xi’an 710043, ChinaState Key Laboratory of Astronautic Dynamics, Xi’an Satellite Control Center, Xi’an 710043, ChinaUsing a small near-Earth object (NEO) to impact a larger and potentially threatening NEO has been suggested as an effective method to avert a collision with Earth. This paper develops a procedure for analysis of the technique for specific NEOs. First, an optimization method is used to select a proper small body from the database. Some principles of optimality are achieved with the optimization process. Then, the orbit of the small body is changed to guarantee that it flies toward and impacts the big threatening NEO. Kinetic impact by a spacecraft is chosen as the strategy of deflecting the small body. The efficiency of this method is compared with that of a direct kinetic impact to the big NEO by a spacecraft. Finally, a case study is performed for the deflection of the Apophis NEO, and the efficiency of the method is assessed.http://dx.doi.org/10.1155/2014/892395 |
| spellingShingle | Kaijian Zhu Weiping Huang Yuncai Wang Wei Niu Gongyou Wu Optimization of Deflection of a Big NEO through Impact with a Small One The Scientific World Journal |
| title | Optimization of Deflection of a Big NEO through Impact with a Small One |
| title_full | Optimization of Deflection of a Big NEO through Impact with a Small One |
| title_fullStr | Optimization of Deflection of a Big NEO through Impact with a Small One |
| title_full_unstemmed | Optimization of Deflection of a Big NEO through Impact with a Small One |
| title_short | Optimization of Deflection of a Big NEO through Impact with a Small One |
| title_sort | optimization of deflection of a big neo through impact with a small one |
| url | http://dx.doi.org/10.1155/2014/892395 |
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