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Journal International Institute of Space Law x Year 2019 x

    Lagrangian Points constitute a stable gravitational point between two or more celestial bodies. Previously used for scientific endeavours, such as the SOHO mission, in the future, Lagrangian Points may also serve to be both commercially and strategically advantageous given the nominal amount of resources required to keep a satellite or similar orbital asset in station-keeping on a Lagrangian Point.
    To that extent, Lagrangian Points may be viewed as having a commercial ‘value ’ because of the competitive advantage afforded to the owner/operator of a spacecraft occupying such a position. This ‘value ’proposition has certain similarities with geostationary orbital positions in Earth orbit.
    Although propertisation of space and celestial bodies is prohibited under the Outer Space Treaty 1967 (UN), orbits within space still remain rivalrous and commercially lucrative (Green, et al. 2018). By operating in a Lagrangian Point, satellites could effectively exclude competing services from also operating within those Lagrangian Points. For example, where one satellite — or a satellite constellation — operates within a Lagrangian Point, another satellite or satellite constellation might be precluded from operating within the same space of that Lagrangian Point, or its proximity.
    This paper builds on previous work regarding the regulation of natural monopolies to mitigate anti-competitive behaviour risks (Green, et al. 2018) and proposes recommendations on how the risk of natural monopolies forming amongst Lagrangian Point missions may be mitigated under a variety of instruments available to both UNOOSA and the ITU.
    In addition to this, this paper considers the military use of Lagrangian Points to mitigate the risk of transforming space into a warfare domain.


Thomas Green
Thomas Green, PhD Student, University of Wollongong.

Patrick Neumann
Patrick Neumann, Chief Scientist, Neumann Space Pty Ltd.

Kent Grey
Kent Grey, Partner, Minter Ellison, 25 Grenfell Street, Adelaide 5000 Australia.

Trevor Sandlin
Trevor Sandlin, Executive Officer, USNS Fall River, United States Merchant Marine.
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