Heavy traffic is commonplace on Earth but now congestion is becoming an increasing problem in space. With over 22,000 artificial satellites in orbit it is essential to keep track of their positions in order to avoid unexpected collisions. Amateur astronomers from the Basingstoke Astronomical Society have been helping the Ministry of Defence explore what is possible using high-end consumer equipment to track objects in space.
Grant Privett, of the Defence Science and Technology Laboratory (Dstl), will talk about this surprising collaboration on Thursday 4th July at the Royal Astronomical Society's National Astronomy Meeting in Lancaster.
When the Basingstoke Astronomy Society (BAS) heard about Dstl's Space Programme they were keen to find ways that they could help. Dstl's team came up with an idea that would help them to find out whether a low-cost distributed network of cameras could make a worthwhile contribution to the future UK space situational awareness effort.
The amateur astronomers used commercially available telescopes, tripod-mounted DSLR cameras and low-light cameras to record images of satellites such as the International Space Station, Cryosat, and Remove Debris. By collecting accurate time stamps for the images, Dstl were then able to process the data and compare expected orbits to the data provided by the astronomers.
Dstl were pleased to find that for low Earth orbit satellites, down to about the size of a kitchen freezer, small aperture prosumer level lenses and cooled CCDs similar to those used by amateur astronomers, are capable of monitoring their positions and maintaining a reasonably accurate orbit.
"The accuracy of the exposure timing is absolutely critical, and requires some attention to detail" explains Privett, "the BAS astronomers were very good and clearly highly talented so together we formed a good team".
"We found there are no obvious impediments to using commercially available kit to provide small component of a more capable and diverse system for monitoring space, where satellites of importance to UK communications, economy, and defence operate".
The ability of such a relatively low-cost and deployable approach to data gathering is being examined to ensure Dstl can provide the best possible guidance and advice to UK Government in its future procurements. The full technical results from the collaboration will be published later this year.
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Kate Arkless Gray
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Cyber and Information Systems Department (CIS), DSTL Porton Down
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Images and captions
Member of Basingstoke Astronomical Society has his eyes on the sky. Credit (required): Dstl
Example of the Equipment Used by the Basingstoke Astronomical Society. Copyright: Basingstoke Astronomical Society (use with credit allowed)
An example of a satellite moving across the sky. Credit (required): Dstl
Members of the Basingstoke Astronomical Society and Dstl at Porton Down Credit (required): Dstl
Notes for editors
Grant Privett will present the lessons learned from the Dstl/BAS partnership at the RAS National Astronomy Meeting in Lancaster on Thursday, 4 July 2019. Technical results of this work will be released in a paper at the AMOSTECH conference in Maui in September.
The RAS National Astronomy Meeting (NAM 2019) is taking place at the University of Lancaster from 30 June to 4 July 2019. It includes the annual meetings of the UK Solar Physics (UKSP) and Magnetosphere Ionosphere Solar-Terrestrial (MIST) groups. The conference is principally sponsored by the Royal Astronomical Society (RAS), the Science and Technology Facilities Council (STFC) and Lancaster University. Full details are visible on the dedicated conference website https:/
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