Results 31 to 40 of about 5,459,589 (111)

Orbital Navigation Using Resident Space Object Observations [PDF]

, 2018
With the population of Resident Space Objects (RSOs) in low earth orbit growing steadily year by year, there is an increasing challenge to track and map this population.
Ferguson, Philip, Driedger, Matt
core   +1 more source

A Three‐Dimensional Structural Model for Predicting Magnetic Exchange and Hydrogen Positions in Bis‐μ‐Hydroxido Cu(II) Dimers

European Journal of Inorganic Chemistry, Volume 29, Issue 17, 17 June 2026.
Magneto‐structural correlation in bis‐μ‐hydroxido Cu(II) dimers: The out‐of‐plane angle (α) of bridging hydroxido groups critically influences the exchange coupling constant (J). A three‐dimensional correlation combining α and the Cu‐OH‐Cu angle (θ) enables computationally accurate J prediction.
Stefani Gamboa‐Ramirez, Khalil Youssef, Rafaello Papadakis, Michel Giorgi, Sylvain Bertaina, A. Jalila Simaan, Maylis Orio   +6 more
wiley   +1 more source

Doublet Pulse Coherent Laser Radar for Tracking of Resident Space Objects [PDF]

, 2014
In this paper, the development of a long range ladar system known as ExoSPEAR at NASA Langley Research Center for tracking rapidly moving resident space objects is discussed.
Shald, Scott, Prasad, Narasimha S., Rudd, Van, Dimarcantonio, Albert, Sandford, Stephen   +4 more
core  

Uncertainty propagation and conjunction assessment for resident space objects [PDF]

, 2016
Presently, the catalog of Resident Space Objects (RSOs) in Earth orbit tracked by the U.S. Space Surveillance Network (SSN) is greater than 21,000 objects.
Vittaldev, Vivek
core   +1 more source

First Results of a New Inversion Tool for Thermospheric Neutral Mass Density Computations During Severe Geomagnetic Storms

AGU Advances, Volume 7, Issue 3, June 2026.
Abstract In Low Earth Orbit (LEO), atmospheric drag is the dominant source of trajectory prediction error below approximately 700 km altitude, primarily due to inaccuracies in thermospheric density models. This work presents a method for temporally deconvolving Energy Dissipation Rates (EDRs) to produce single‐satellite density estimates, which can be ...
S. Mutschler, M. Pilinski, E. Zesta, D. M. Oliveira, K. Delano, K. Garcia‐Sage, W. K. Tobiska   +6 more
wiley   +1 more source

Predicting the Properties of Resident Space Objects in LEO Using Graph Neural Networks [PDF]

In recent years, the number of resident space objects (RSOs) in low Earth orbit (LEO) has significantly increased. As a result, decision-making tasks and the overall understanding within the space domain have become more challenging.
Manfletti, Chiara, Soares, Cláudia, Guimarães, Marta   +2 more
core   +1 more source

Ionospheric Corrections for Space Domain Awareness Using HF Line-of-Sight Radar

Remote Sensing
As the near-Earth space domain becomes increasingly congested, the field of space domain awareness (SDA) has risen in importance and motivated the use of non-traditional sensors.
Tristan Camilleri, Manuel Cervera
doaj   +1 more source

The Resident Space Objects Network:A Complex System Approach for Shaping Space Sustainability [PDF]

Near-earth space continues to be the focus of critical services and capabilities provided to the society. With the steady increase of space traffic, the number of Resident Space Objects (RSOs) has recently boomed in the context of growing concern due to ...
Carletti, Timoteo; id_orcid, Carletti, Timoteo, Daquin, Jérôme, Romano, Matteo; id_orcid, Romano, Matteo, Daquin, Jerome; id_orcid   +5 more
core   +1 more source

Vast, overlooked peat, and organic soils in Brazil's Cerrado: carbon storage, dynamics, and stability

New Phytologist, Volume 250, Issue 5, Page 2946-2965, June 2026.
Summary Tropical peatlands are critical for climate mitigation due to their dual role as major carbon sinks and methane sources. In rainforests, high and stable rainfall supports peat accumulation in tropical climates. However, groundwater‐fed peatlands in seasonally dry tropical ecosystems remain poorly understood, despite their potential importance ...
Larissa S. Verona, Amy E. Zanne, Susan Trumbore, Paulo N. Bernardino, Guilherme M. Alencar, Thalia Andreuccetti, David Herrera‐Ramírez, João C. F. Cardoso, Demetrius Lira‐Martins, Guilherme G. Mazzochini, Natashi Pilon, Rafael S. Oliveira   +11 more
wiley   +1 more source

Prediction and Image Formation for Serendipitous Resident Space Object Underflights of Landsat 8

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Non-Earth imaging (NEI) of resident space objects (RSO) has become more readily available recently due to an expanding commercial sector focusing specifically on the NEI task, as well as high spatial resolution Earth imaging systems being agile enough to
Michael G. Gartley
doaj   +1 more source