The benefits of very low earth orbit for earth observation missions

NH Crisp, PCE Roberts, S Livadiotti, VTA Oiko… - Progress in Aerospace …, 2020 - Elsevier
Very low Earth orbits (VLEO), typically classified as orbits below approximately 450 km in
altitude, have the potential to provide significant benefits to spacecraft over those that …

A Comprehensive Review of Atmosphere‐Breathing Electric Propulsion Systems

P Zheng, J Wu, Y Zhang, B Wu - International Journal of …, 2020 - Wiley Online Library
To develop the satellites for a low‐Earth‐orbit environment, atmosphere‐breathing electric
propulsion (ABEP) systems have become more attractive to researchers in the past decade …

System modelling of very low Earth orbit satellites for Earth observation

NH Crisp, PCE Roberts, F Romano, KL Smith… - Acta astronautica, 2021 - Elsevier
The operation of satellites in very low Earth orbit (VLEO) has been linked to a variety of
benefits to both the spacecraft platform and mission design. Critically, for Earth observation …

Optimisation of satellite geometries in Very Low Earth Orbits for drag minimisation and lifetime extension

F Hild, C Traub, M Pfeiffer, J Beyer, S Fasoulas - Acta Astronautica, 2022 - Elsevier
The utilisation of the Very Low Earth Orbit (VLEO) region offers significant application
specific, technological, operational, and cost benefits. However, attaining sustained and …

Control of two satellites relative motion over the packet erasure communication channel with limited transmission rate based on adaptive coder

B Andrievsky, AL Fradkov, EV Kudryashova - Electronics, 2020 - mdpi.com
The paper deals with the navigation data exchange between two satellites moving in a
swarm. It is focused on the reduction of the inter-satellite demanded communication channel …

A planning tool for optimal three-dimensional formation flight maneuvers of satellites in VLEO using aerodynamic lift and drag via yaw angle deviations

C Traub, S Fasoulas, GH Herdrich - Acta Astronautica, 2022 - Elsevier
Differential drag is a promising option to control the relative motion of distributed satellites in
the Very Low Earth Orbit regime which are not equipped with dedicated thrusting devices. A …

Attitude control for satellites flying in VLEO using aerodynamic surfaces

VC Muñoz, D González, J Becedas… - JBIS-Journal of the …, 2020 - discovery.ucl.ac.uk
This paper analyses the use of aerodynamic control surfaces, whether passive or active, in
order to carry out very low Earth orbit (VLEO) attitude maneuver operations. Flying a satellite …

Input-output linearized spacecraft formation control via differential drag using relative orbital elements

MK Ben-Larbi, T Jusko, E Stoll - Advances in Space Research, 2021 - Elsevier
The derivation, implementation, and performance assessment of a differential drag based
algorithm, designed for spacecraft formation control using a relative orbital elements …

The design and maintenance of low-orbit navigation constellation for traffic control in a smart city

Y Zheng, B Lin, R Li, Y Liu - Sensors, 2022 - mdpi.com
The traffic control issue in the smart city scenario gives rise to the higher requirements of
Global Navigation Satellite System (GNSS) services, especially in terms of navigation …

Differential aerodynamic force-based formation control of nanosatellites using yaw angle deviation

Y Hu, Z Lu, W Liao, X Zhang - Journal of Guidance, Control, and …, 2021 - arc.aiaa.org
This paper investigates a formation control technique for low-Earth-orbit nanosatellites
based on the differential aerodynamic drag and lift. An innovative method of using only the …