Mission ORCA: orbit refinement for collision avoidance

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dc.contributor.authorBarles, Anaïs
dc.contributor.authorBilkhu, Satnam
dc.contributor.authorBoulnois, Anthony
dc.contributor.authorCuesta Arija, Francisco Javier
dc.contributor.authorDuarri Albacete, Guillem
dc.contributor.authorEasdown, William
dc.contributor.authorEstalella Silvela, Alvaro
dc.contributor.authorGallego Fernández, Ramiro
dc.contributor.authorKent, Ben
dc.contributor.authorMartínez Mariscal, Javier
dc.contributor.authorMartinez Mata, Alfonso
dc.contributor.authorPradeep, Shilpa
dc.contributor.authorSinclair, Giovanni
dc.contributor.authorStephens-Simonazzi, Benedict
dc.contributor.authorYan, Wenhan
dc.contributor.authorFelicetti, Leonard
dc.date.accessioned2022-04-26T13:31:05Z
dc.date.available2022-04-26T13:31:05Z
dc.date.embargo2022-04-26
dc.date.issued2022-03-23
dc.description.abstractForecasting of collisions between resident space objects (RSOs) is becoming critical for the future exploitation of near-Earth space. A constellation of 28 spacecrafts (plus in-orbit spares) in sun synchronous orbits is proposed as a solution for improving the current space situational awareness capabilities. Each satellite uses an optical payload to track target RSOs, with the satellite's position precisely determined. Multiple pictures of the RSO are taken, and the spacecraft attitude used to calculate the target's position relative to the spacecraft. The target's orbit is then determined from the movement of the target through the field of view over time. The system outputs orbit state vectors of the tracked object, allowing precise orbit characterisation and collision forecasting to be delivered. The constellation's design allows high temporal resolution, so reliable information can be supplied to end-users. The paper shows the results of the system design of a demonstration mission meant to verify the feasibility of the concept, performed by a team of students of Cranfield University. The exercise addresses all the aspects of the preliminary design, including the definition of the mission and system requirements, the selection of the overall mission architecture, operations, and mission phases. A cap on the overall cost allows for the realisation of the platform within a university budget. The outline of the design includes not only the selection and sizing of all the subsystems and payload but also suggests a new strategy for deploying the constellation if the demonstration mission is successful. The utilisation of high TRL and COTS components, as well as mass, power, and link budgets, demonstrate the feasibility of the overall mission concept.en_UK
dc.identifier.citationBarles A, Bilkhu S, Boulnois A, et al., (2022) Mission ORCA: orbit refinement for collision avoidance. Advances in Astronautics Science and Technology, Volume 5, Issue 2, June 2022, pp. 149–165en_UK
dc.identifier.issn2524-5252
dc.identifier.urihttps://doi.org/10.1007/s42423-022-00106-8
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17803
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectSpace debris surveillanceen_UK
dc.subjectSpace traffic managementen_UK
dc.subjectResident space objects trackingen_UK
dc.subjectSpace situational awarenessen_UK
dc.subjectCubeSat designen_UK
dc.subjectConstellation designen_UK
dc.titleMission ORCA: orbit refinement for collision avoidanceen_UK
dc.typeArticleen_UK

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