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Analysis of collision avoidance via ground-based laser momentum transfer

Bamann, Christoph and Hugentobler, Urs and Scharring, Stefan and Riede, Wolfgang and Setty, Srinivas (2019) Analysis of collision avoidance via ground-based laser momentum transfer. 1st International Orbital Debris Conference, 9.-12. Dez. 2019, Sugar Land, Texas, USA.

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Abstract

There is little potential of action in case of conjunctions where neither chaser nor target can be controlled by spacecraft operators. Nevertheless, potential collisions between such objects pose a significant threat to the space environment. In view of that, some recent studies and developments addressed the concept of momentum transfer (MT) from ground-based lasers for orbit modification and, therefore, collision avoidance. However, achievable velocity increments are highly constrained (pass geometry) and uncertain (object properties, cloud cover, atmospheric turbulence, orbit uncertainty). Therefore, we present and study a probabilistic model for MT-based collision avoidance. In doing so, we derive requirements in terms of laser power, MT success rate, and orbit prediction uncertainty as a function of turbulence compensation capability, time to event, conjunction angle, and area-tomass ratio. Our results demonstrate limitations of the method given currently available technology.

Item URL in elib:https://elib.dlr.de/132005/
Document Type:Conference or Workshop Item (Speech)
Title:Analysis of collision avoidance via ground-based laser momentum transfer
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bamann, ChristophFESG TU MünchenUNSPECIFIED
Hugentobler, UrsFESG TU MünchenUNSPECIFIED
Scharring, Stefanstefan.scharring (at) dlr.deUNSPECIFIED
Riede, Wolfgangwolfgang.riede (at) dlr.deUNSPECIFIED
Setty, Srinivassrinivas.setty (at) esa.intUNSPECIFIED
Date:29 November 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Space debris, collision avoidance, laser momentum transfer, laser tracking
Event Title:1st International Orbital Debris Conference
Event Location:Sugar Land, Texas, USA
Event Type:international Conference
Event Dates:9.-12. Dez. 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Space Debris / Laser based SSA, R - Vorhaben Einsatz von Lasern zur Detektion von Weltraumschrott, L - Laser Research and Technology
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics > Active Optical Systems
Deposited By: Scharring, Stefan
Deposited On:10 Dec 2019 08:59
Last Modified:23 Jan 2020 16:12

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