Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver
The deflection of potentially dangerous asteroids has been treated with great intensity and has gained more and more attention in scientific research. Different techniques are developed over the years. Among these techniques, we found the kinetic impact deflection technique to be the most viable at...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-08-01
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| Series: | Symmetry |
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| Online Access: | https://www.mdpi.com/2073-8994/14/8/1658 |
| _version_ | 1797407793733435392 |
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| author | Bruno S. Chagas Antonio Fernando Bertachini de Almeida Prado Othon Cabo Winter |
| author_facet | Bruno S. Chagas Antonio Fernando Bertachini de Almeida Prado Othon Cabo Winter |
| author_sort | Bruno S. Chagas |
| collection | DOAJ |
| description | The deflection of potentially dangerous asteroids has been treated with great intensity and has gained more and more attention in scientific research. Different techniques are developed over the years. Among these techniques, we found the kinetic impact deflection technique to be the most viable at the moment. In this work we address the kinetic impact deflection technique, but in a scenario where we have a short time to deflect an asteroid that will collide with Earth. For this, we also use a maneuver similar to a powered gravity-assisted maneuver with Earth in a previous passage to change the trajectory of the asteroid to avoid the collision. We apply this technique in three scenarios: (i) impulse before the close encounter, (ii) impulse during the close encounter, and (iii) impulse after the close encounter. We observe that some trajectories are symmetric with respect to the line Sun–Earth, and others are asymmetric. We show that, using this technique, it is possible to change the trajectory of the asteroid, even in a short period, to avoid the collision without using a large variation of velocity in the orbit of the asteroid. |
| first_indexed | 2024-03-09T03:46:47Z |
| format | Article |
| id | doaj.art-cbdb19d3a8624571b7936b6c4184a1af |
| institution | Directory Open Access Journal |
| issn | 2073-8994 |
| language | English |
| last_indexed | 2024-03-09T03:46:47Z |
| publishDate | 2022-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Symmetry |
| spelling | doaj.art-cbdb19d3a8624571b7936b6c4184a1af2023-12-03T14:33:28ZengMDPI AGSymmetry2073-89942022-08-01148165810.3390/sym14081658Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By ManeuverBruno S. Chagas0Antonio Fernando Bertachini de Almeida Prado1Othon Cabo Winter2Grupo de Dinâmica Orbital e Planetologia, São Paulo State University (UNESP), Guaratinguetá 12516-410, SP, BrazilAcademy Engineering, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya Street 6, 117198 Moscow, RussiaGrupo de Dinâmica Orbital e Planetologia, São Paulo State University (UNESP), Guaratinguetá 12516-410, SP, BrazilThe deflection of potentially dangerous asteroids has been treated with great intensity and has gained more and more attention in scientific research. Different techniques are developed over the years. Among these techniques, we found the kinetic impact deflection technique to be the most viable at the moment. In this work we address the kinetic impact deflection technique, but in a scenario where we have a short time to deflect an asteroid that will collide with Earth. For this, we also use a maneuver similar to a powered gravity-assisted maneuver with Earth in a previous passage to change the trajectory of the asteroid to avoid the collision. We apply this technique in three scenarios: (i) impulse before the close encounter, (ii) impulse during the close encounter, and (iii) impulse after the close encounter. We observe that some trajectories are symmetric with respect to the line Sun–Earth, and others are asymmetric. We show that, using this technique, it is possible to change the trajectory of the asteroid, even in a short period, to avoid the collision without using a large variation of velocity in the orbit of the asteroid.https://www.mdpi.com/2073-8994/14/8/1658deflect asteroidsplanetary defenseasteroid collisionswing byastrodynamics |
| spellingShingle | Bruno S. Chagas Antonio Fernando Bertachini de Almeida Prado Othon Cabo Winter Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver Symmetry deflect asteroids planetary defense asteroid collision swing by astrodynamics |
| title | Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver |
| title_full | Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver |
| title_fullStr | Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver |
| title_full_unstemmed | Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver |
| title_short | Deflecting an Asteroid on a Collision Course with Earth Using a Powered Swing-By Maneuver |
| title_sort | deflecting an asteroid on a collision course with earth using a powered swing by maneuver |
| topic | deflect asteroids planetary defense asteroid collision swing by astrodynamics |
| url | https://www.mdpi.com/2073-8994/14/8/1658 |
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