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Private space companies are increasingly commercializing near-earth space. Some estimates show that more than 100,000 satellites may orbit the Earth by 2030. This increase in the number of satellites has many consequences for science,…

Physics and Society · Physics 2022-08-09 Sai Charan Petchetti

I discuss the current low Earth orbit artificial satellite population and show that the proposed `megaconstellation' of circa 12,000 Starlink internet satellites would dominate the lower part of Earth orbit, below 600 km, with a…

Instrumentation and Methods for Astrophysics · Physics 2020-04-15 Jonathan C. McDowell

In the coming decade, up to 100 000 satellites in large constellations could be launched into low Earth orbit. The satellites will introduce a variety of negative impacts on astronomy observatories and science, which vary from negligible to…

Instrumentation and Methods for Astrophysics · Physics 2021-08-10 Andrew Williams , Olivier Hainaut , Angel Otarola , Gie Han Tan , Giuliana Rotola

Recently, mega-constellations with a massive number of low Earth orbit (LEO) satellites are being considered as a possible solution for providing global coverage due to relatively low latency and high throughput compared to geosynchronous…

Information Theory · Computer Science 2023-12-27 Dong-Hyun Jung , Gyeongrae Im , Joon-Gyu Ryu , Seungkeun Park , Heejung Yu , Junil Choi

Satellites in Geostationary Orbit (GEO) provide a number of commercial, government, and military services around the world, offering everything from surveillance and monitoring to video calls and internet access. However a dramatic lowering…

Cryptography and Security · Computer Science 2022-04-29 Frederick Rawlins , Richard Baker , Ivan Martinovic

Digital connectivity has become the foundation of prosperity and an essential need for functioning societies. Despite this dependence, limitation on Internet access remains a prevalent issue, largely hinged on socioeconomic and geographic…

Information Theory · Computer Science 2021-10-11 Bassel Al Homssi , Akram Al-Hourani , Ke Wang , Phillip Conder , Sithamparanathan Kandeepan , Jinho Choi , Ben Allen , Ben Moores

This article is a second analysis step from the descriptive arXiv:2001.10952 preprint. This work is aimed to arise awareness to the scientific astronomical community about the negative impact of satellites' mega-constellations and put in…

Instrumentation and Methods for Astrophysics · Physics 2020-03-26 Stefano Gallozzi , Diego Paris , Marco Scardia , David Dubois

Satellite network is the first step of interstellar voyages. It can provide global Internet connectivity everywhere on earth, where most areas cannot access the Internet by the terrestrial infrastructure due to the geographic accessibility…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-03 Shangguang Wang , Qing Li , Mengwei Xu , Xiao Ma , Ao Zhou , Qibo Sun

Satellite networks are emerging as vital solutions for global connectivity beyond 5G. As companies such as SpaceX, OneWeb, and Amazon are poised to launch a large number of satellites in low Earth orbit, the heightened inter-satellite…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Miyeon Lee , Sucheol Kim , Minje Kim , Dong-Hyun Jung , Junil Choi

The effect of satellite constellations on observations in the visible and IR domains is estimated, considering 18 constellations in development by SpaceX, Amazon, OneWeb, and others, with over 26,000 satellites, constituting a…

Instrumentation and Methods for Astrophysics · Physics 2021-08-06 Olivier R. Hainaut , Adrew P. Williams

Offering space-based Internet services with mega-constellations of low Earth orbit (LEO) satellites is a promising solution to connecting the unconnected. It can complement the coverage of terrestrial networks to help bridge the digital…

Networking and Internet Architecture · Computer Science 2021-08-18 Xingqin Lin , Stefan Cioni , Gilles Charbit , Nicolas Chuberre , Sven Hellsten , Jean-Francois Boutillon

Small satellite systems enable whole new class of missions for navigation, communications, remote sensing and scientific research for both civilian and military purposes. As individual spacecraft are limited by the size, mass and power…

Networking and Internet Architecture · Computer Science 2016-09-29 Radhika Radhakrishnan , William Edmonson , Fatemeh Afghah , R. Rodriguez-Osorio , Frank Pinto , Scott Burleigh

LEO Satellite Networks (LSNs) are revolutionizing global connectivity, but their reliance on tens of thousands of satellites raises pressing concerns over sustainability and survivability. In this work, we argue that the inefficiencies in…

Networking and Internet Architecture · Computer Science 2025-08-26 Chris Misa , Ramakrishnan Durairajan

Low Earth orbit Satellite Networks (LSNs) have been advocated as a key infrastructure for truly global coverage in the forthcoming 6G. This paper presents our initial measurement results and observations on the end-to-end network…

Networking and Internet Architecture · Computer Science 2022-12-29 Sami Ma , Yi Ching Chou , Haoyuan Zhao , Long Chen , Xiaoqiang Ma , Jiangchuan Liu

Low Earth orbit (LEO) satellites have been envisioned as a significant component of the sixth generation (6G) network architecture for achieving ubiquitous coverage and seamless access. However, the implementation of LEO satellites is…

Information Theory · Computer Science 2024-06-10 Chenyu Wu , Shuai Han , Qian Chen , Yu Wang , Weixiao Meng , Abderrahim Benslimane

Laser inter-satellite links (LISLs) are envisioned between satellites in upcoming satellite constellations, such as Phase I of SpaceX's Starlink. Within a constellation, satellites can establish LISLs with other satellites in the same…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Aizaz U. Chaudhry , Halim Yanikomeroglu

The rapid launch of hundreds of thousands of satellites into Low Earth Orbit will significantly alter our view of the sky and raise concerns about the sustainability of Earth's orbital space. A new framework for sustainable space…

Instrumentation and Methods for Astrophysics · Physics 2024-03-25 Andrew Williams , Aaron Boley , Giuliana Rotola , Richard Green

As emerging massive constellations are intended to provide seamless connectivity for remote areas using hundreds of small low Earth orbit (LEO) satellites, new methodologies have great importance to study the performance of these networks.…

Networking and Internet Architecture · Computer Science 2020-10-05 Niloofar Okati , Taneli Riihonen

The high frequency of satellite launches, particularly over the last few years, has been a subject of significant concern, particularly relating to the future of observational astronomy, the stability of low Earth orbits, and environmental…

Popular Physics · Physics 2026-04-01 Michael B. Lund
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