Tampere University of Technology

TUTCRIS Research Portal

What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Standard

What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out. / Bambach, Patrick; Deller, Jakob; Martel, Joachim; Vilenius, Esa; Goldberg, Hannah; Sorsa, Liisa-Ida; Pursiainen, Sampsa; Takala, Mika; Wurster, Andreas; Braun, Hans Martin; Lentz, Harald; Jutzi, Martin; Wittig, Manfred; Chitu, Cristian Corneliu; Ritter, Birgit; Karatekin, Ozgur.

69th International Astronautical Congress, IAC 2018. 2018. (Proceedings of the International Astronautical Congress, IAC).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Bambach, P, Deller, J, Martel, J, Vilenius, E, Goldberg, H, Sorsa, L-I, Pursiainen, S, Takala, M, Wurster, A, Braun, HM, Lentz, H, Jutzi, M, Wittig, M, Chitu, CC, Ritter, B & Karatekin, O 2018, What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out. in 69th International Astronautical Congress, IAC 2018. Proceedings of the International Astronautical Congress, IAC, International Astronautical Congress, Bremen, Germany, 1/10/18.

APA

Bambach, P., Deller, J., Martel, J., Vilenius, E., Goldberg, H., Sorsa, L-I., ... Karatekin, O. (2018). What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out. In 69th International Astronautical Congress, IAC 2018 (Proceedings of the International Astronautical Congress, IAC).

Vancouver

Bambach P, Deller J, Martel J, Vilenius E, Goldberg H, Sorsa L-I et al. What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out. In 69th International Astronautical Congress, IAC 2018. 2018. (Proceedings of the International Astronautical Congress, IAC).

Author

Bambach, Patrick ; Deller, Jakob ; Martel, Joachim ; Vilenius, Esa ; Goldberg, Hannah ; Sorsa, Liisa-Ida ; Pursiainen, Sampsa ; Takala, Mika ; Wurster, Andreas ; Braun, Hans Martin ; Lentz, Harald ; Jutzi, Martin ; Wittig, Manfred ; Chitu, Cristian Corneliu ; Ritter, Birgit ; Karatekin, Ozgur. / What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out. 69th International Astronautical Congress, IAC 2018. 2018. (Proceedings of the International Astronautical Congress, IAC).

Bibtex - Download

@inproceedings{984c93909208445fb0b74e915c353eff,
title = "What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out",
abstract = "A large fraction of asteroids with diameter d > 240 m are suspected to be loose piles of rocks and boulders bound together mainly by gravity and only weak cohesion. Still to date the size and distribution of voids and monolithic fragments inside these {"}rubble-piles{"} are not known. To perform a full tomographic interior reconstruction a bistatic CubeSat configuration has been investigated by Tampere University of Technology (TUT), Radar Systemtechnik GmbH (RST) and the Max Planck Institute for Solar System Research (MPS). The concept is based on two 6U CubeSats, both carrying an identical 1U sized stepped frequency radar. As stepped frequency radars can be built compact, require less power and generate less data volume compared to other radar applications they are well-suited for small satellite platforms. In 2017 the Concurrent Design Facility of ESA/ESTEC conducted two studies relevant for DISCUS. In the Small Planetary Probes (SPP) study DISCUS served as a reference payload for a piggyback mission to a Near-Earth Asteroid (NEA) or even a Main Belt Asteroid (MBA). The M-ARGO study investigated a stand-alone mission to a NEA, with a DISCUS sized instrument. Based on the spacecraft design of SPP and M-ARGO we could prove the instrument requirements as feasible and evaluate our science case from the orbits and mission duration that have been identified by these studies. Using inversion methods developed for medical tomography the data would allow to reconstruct the large scale interior structure of a small body. Simulations have shown that the measurement principle and the inversion method are robust enough to allow full reconstruction of the interior even if the orbits do not cover the entire surface of the asteroid. The measurement results of the mission will help to gain a better understanding of asteroids and the formation mechanisms of the solar system. In addition, the findings will increase the predictability of asteroid impact consequences on Earth and improve future concepts of asteroid deflection.",
author = "Patrick Bambach and Jakob Deller and Joachim Martel and Esa Vilenius and Hannah Goldberg and Liisa-Ida Sorsa and Sampsa Pursiainen and Mika Takala and Andreas Wurster and Braun, {Hans Martin} and Harald Lentz and Martin Jutzi and Manfred Wittig and Chitu, {Cristian Corneliu} and Birgit Ritter and Ozgur Karatekin",
note = "jufoid=85566",
year = "2018",
language = "English",
series = "Proceedings of the International Astronautical Congress, IAC",
booktitle = "69th International Astronautical Congress, IAC 2018",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - What's inside a rubble pile asteroid? DiSCUS - A tomographic twin radar Cubesat to find out

AU - Bambach, Patrick

AU - Deller, Jakob

AU - Martel, Joachim

AU - Vilenius, Esa

AU - Goldberg, Hannah

AU - Sorsa, Liisa-Ida

AU - Pursiainen, Sampsa

AU - Takala, Mika

AU - Wurster, Andreas

AU - Braun, Hans Martin

AU - Lentz, Harald

AU - Jutzi, Martin

AU - Wittig, Manfred

AU - Chitu, Cristian Corneliu

AU - Ritter, Birgit

AU - Karatekin, Ozgur

N1 - jufoid=85566

PY - 2018

Y1 - 2018

N2 - A large fraction of asteroids with diameter d > 240 m are suspected to be loose piles of rocks and boulders bound together mainly by gravity and only weak cohesion. Still to date the size and distribution of voids and monolithic fragments inside these "rubble-piles" are not known. To perform a full tomographic interior reconstruction a bistatic CubeSat configuration has been investigated by Tampere University of Technology (TUT), Radar Systemtechnik GmbH (RST) and the Max Planck Institute for Solar System Research (MPS). The concept is based on two 6U CubeSats, both carrying an identical 1U sized stepped frequency radar. As stepped frequency radars can be built compact, require less power and generate less data volume compared to other radar applications they are well-suited for small satellite platforms. In 2017 the Concurrent Design Facility of ESA/ESTEC conducted two studies relevant for DISCUS. In the Small Planetary Probes (SPP) study DISCUS served as a reference payload for a piggyback mission to a Near-Earth Asteroid (NEA) or even a Main Belt Asteroid (MBA). The M-ARGO study investigated a stand-alone mission to a NEA, with a DISCUS sized instrument. Based on the spacecraft design of SPP and M-ARGO we could prove the instrument requirements as feasible and evaluate our science case from the orbits and mission duration that have been identified by these studies. Using inversion methods developed for medical tomography the data would allow to reconstruct the large scale interior structure of a small body. Simulations have shown that the measurement principle and the inversion method are robust enough to allow full reconstruction of the interior even if the orbits do not cover the entire surface of the asteroid. The measurement results of the mission will help to gain a better understanding of asteroids and the formation mechanisms of the solar system. In addition, the findings will increase the predictability of asteroid impact consequences on Earth and improve future concepts of asteroid deflection.

AB - A large fraction of asteroids with diameter d > 240 m are suspected to be loose piles of rocks and boulders bound together mainly by gravity and only weak cohesion. Still to date the size and distribution of voids and monolithic fragments inside these "rubble-piles" are not known. To perform a full tomographic interior reconstruction a bistatic CubeSat configuration has been investigated by Tampere University of Technology (TUT), Radar Systemtechnik GmbH (RST) and the Max Planck Institute for Solar System Research (MPS). The concept is based on two 6U CubeSats, both carrying an identical 1U sized stepped frequency radar. As stepped frequency radars can be built compact, require less power and generate less data volume compared to other radar applications they are well-suited for small satellite platforms. In 2017 the Concurrent Design Facility of ESA/ESTEC conducted two studies relevant for DISCUS. In the Small Planetary Probes (SPP) study DISCUS served as a reference payload for a piggyback mission to a Near-Earth Asteroid (NEA) or even a Main Belt Asteroid (MBA). The M-ARGO study investigated a stand-alone mission to a NEA, with a DISCUS sized instrument. Based on the spacecraft design of SPP and M-ARGO we could prove the instrument requirements as feasible and evaluate our science case from the orbits and mission duration that have been identified by these studies. Using inversion methods developed for medical tomography the data would allow to reconstruct the large scale interior structure of a small body. Simulations have shown that the measurement principle and the inversion method are robust enough to allow full reconstruction of the interior even if the orbits do not cover the entire surface of the asteroid. The measurement results of the mission will help to gain a better understanding of asteroids and the formation mechanisms of the solar system. In addition, the findings will increase the predictability of asteroid impact consequences on Earth and improve future concepts of asteroid deflection.

M3 - Conference contribution

T3 - Proceedings of the International Astronautical Congress, IAC

BT - 69th International Astronautical Congress, IAC 2018

ER -