Advances in Space Research

Article	Citations
GipsyX/RTGx, a new tool set for space geodetic operations and research	163
Scientific objectives and payloads of Tianwen-1, China’s first Mars exploration mission	131
Altimetry for the future: Building on 25 years of progress	117
Deep reinforcement learning for six degree-of-freedom planetary landing	113
A review of the disc instability model for dwarf novae, soft X-ray transients and related objects	82
Gravity field recovery from geodetic altimeter missions	76
The LightSail 2 solar sailing technology demonstration	65
Magnetic fields in isolated and interacting white dwarfs	59
Hybrid ensemble machine learning approaches for landslide susceptibility mapping using different sampling ratios at East Sikkim Himalayan, India	56
Unified neural output-constrained control for space manipulator using tan-type barrier Lyapunov function	54
A comparative study of decision tree, random forest, and convolutional neural network for spread-F identification	53
Overview of CODE’s MGEX solution with the focus on Galileo	51
Scientific objectives and payloads of the lunar sample return mission—Chang’E-5	50
Performance of ERA5 data in retrieving Precipitable Water Vapour over East African tropical region	50
Coastal coverage of ESA’ Sentinel 2 mission	49
Integration of ASTER satellite imagery and 3D inversion of aeromagnetic data for deep mineral exploration	48
Thermosphere densities derived from Swarm GPS observations	48
Adaptive fuzzy neural network control for a space manipulator in the presence of output constraints and input nonlinearities	48
Use of GNSS for lunar missions and plans for lunar in-orbit development	44
A review on developments of deployable membrane-based reflector antennas	44
Finite-time fault tolerant attitude tracking control of spacecraft using robust nonlinear disturbance observer with anti-unwinding approach	43
Assessing the performance of machine learning algorithms for soil salinity mapping in Google Earth Engine platform using Sentinel-2A and Landsat-8 OLI data	39
The X-TRACK/ALES multi-mission processing system: New advances in altimetry towards the coast	39
Classification of multitemporal Sentinel-2 data for field-level monitoring of rice cropping practices in Taiwan	37
Inter-comparison of evapotranspiration datasets over heterogeneous landscapes across Australia	37

Estimation of ground subsidence of New Delhi, India using PS-InSAR technique and Multi-sensor Radar data	36
Ionospheric response to the 26 August 2018 geomagnetic storm using GPS-TEC observations along 80° E and 120° E longitudes in the Asian sector	36
An improved image encryption algorithm for satellite applications	36
Integration of artificial intelligence with meta classifiers for the gully erosion susceptibility assessment in Hinglo river basin, Eastern India	35
Disturbance observer based fixed time sliding mode control for spacecraft proximity operations with coupled dynamics	35
Dynamic GPS-based LEO orbit determination with 1 cm precision using the Bernese GNSS Software	35
LEO constellation optimization for LEO enhanced global navigation satellite system (LeGNSS)	34
Simulation of green roofs and their potential mitigating effects on the urban heat island using an artificial neural network: A case study in Austin, Texas	34
Performance assessment of real-time precise point positioning using BDS PPP-B2b service signal	33
Spatial modeling of flood probability using geo-environmental variables and machine learning models, case study: Tajan watershed, Iran	33
Modelling and simulation of DME navigation global service volume	33
Preliminary mission profile of Hera’s Milani CubeSat	33
Altimetry-based sea level trends along the coasts of Western Africa	33
Adaptive neural network control of nonlinear systems with unknown dynamics	32
An ensemble deep learning based shoreline segmentation approach (WaterNet) from Landsat 8 OLI images	31
Integrated drought monitoring index: A tool to monitor agricultural drought by using time-series datasets of space-based earth observation satellites	31
Dynamics of synodic resonant near rectilinear halo orbits in the bicircular four-body problem	31
GIS-based ensemble soft computing models for landslide susceptibility mapping	30
Reconstruction of active surface deformation in the Rishi Ganga basin, Central Himalaya using PSInSAR: A feedback towards understanding the 7th February 2021 Flash Flood	30
Potentials and limitations of Sentinel-3 for river discharge assessment	29
Precise orbit and Earth parameter determination supported by LEO satellites, inter-satellite links and synchronized clocks of a future GNSS	29
Consolidating sea level acceleration estimates from satellite altimetry	29
Hydro-geomorphic characteristics of the Indian (Peninsular) catchments: Based on morphometric correlation with hydro-sedimentary data	29
TS-InSAR analysis for monitoring ground deformation in Lanzhou New District, the loess Plateau of China, from 2017 to 2019	29
Review of Solar Energetic Particle Prediction Models	28
Hard X-ray cataclysmic variables	28
A comparative analysis of day and night land surface temperature in two semi-arid cities using satellite images sampled in different seasons	28
Modeling the effects of green alternative on heat island mitigation of a meso level town, West Bengal, India	27
A fractional-order sliding mode control for nominal and underactuated satellite attitude controls	27
A novel satellite image encryption algorithm based on hyperchaotic systems and Josephus problem	27
Spatiotemporal variation of snowline altitude at the end of melting season across High Mountain Asia, using MODIS snow cover product	27
Influence of eddies and tropical cyclone heat potential on intensity changes of tropical cyclones in the North Indian Ocean	27
Precision analysis of partial ambiguity resolution-enabled PPP using multi-GNSS and multi-frequency signals	27
Seismo ionospheric anomalies in Turkey associated with M  ≥ 6.0 earthquakes detected by GPS stations and GIM TEC	27
Land cover classification of spaceborne multifrequency SAR and optical multispectral data using machine learning	26
The update of BDS-2 TGD and its impact on positioning	26
Collision avoidance control for formation flying of multiple spacecraft using artificial potential field	26
Flood susceptibility modeling based on new hybrid intelligence model: Optimization of XGboost model using GA metaheuristic algorithm	25
PM2.5/PM10 ratio characteristics over urban sites of India	25
Robust finite-time control design for attitude stabilization of spacecraft under measurement uncertainties	25
The InSight-HP3 mole on Mars: Lessons learned from attempts to penetrate to depth in the Martian soil	25
The automated prediction of solar flares from SDO images using deep learning	25
Long short-term memory and gated recurrent neural networks to predict the ionospheric vertical total electron content	25
Evaluation of the TRMM 3B42 product for extreme precipitation analysis over southwestern Iran	25
Ionospheric storm effects over the People’s Republic of China on 14 May 2019: Results from multipath multi-frequency oblique radio sounding	24
Low-thrust spacecraft trajectory optimization via a DNN-based method	24
Envelop of reachable asteroids by M-ARGO CubeSat	24
Geospatial and statistical interpretation of lineaments: salinity intrusion in the Kribi-Campo coastland of Cameroon	24
Quantitative analysis of spatial distribution of land surface temperature (LST) in relation Ecohydrological, terrain and socio- economic factors based on Landsat data in mountainous area	24
Machine learning algorithms for soil moisture estimation using Sentinel-1: Model development and implementation	23

Mission planning problem for optical video satellite imaging with variable image duration: A greedy algorithm based on heuristic knowledge	23
Evaluating the impact of CNES real-time ionospheric products on multi-GNSS single-frequency positioning using the IGS real-time service	23
Towards the automated operations of large distributed satellite systems. Part 1: Review and paradigm shifts	23
Study on acceptable offsets of ejected nets from debris center for successful capture of debris	23
Assessing GPS/Galileo real-time precise point positioning with ambiguity resolution based on phase biases from CNES	23
Ionospheric TEC forecast model based on support vector machine with GPU acceleration in the China region	23
Comparison of Landsat OLI, ASTER, and Sentinel 2A data in lithological mapping : A Case study of Rich area (Central High Atlas, Morocco)	23
Introduction to global short message communication service of BeiDou-3 navigation satellite system	23
Evaluation of SCATSAT-1 data for snow cover area mapping over a part of Western Himalayas	22
MinXSS-2 CubeSat mission overview: Improvements from the successful MinXSS-1 mission	22
Exploration of groundwater potential zones mapping for hard rock region in the Jakham river basin using geospatial techniques and aquifer parameters	22
Assessment of depth to magnetic sources using high resolution aeromagnetic data of some parts of the Lower Benue Trough and adjoining areas, Southeast Nigeria	22
Benefits of the Open-Loop Tracking Command (OLTC): Extending conventional nadir altimetry to inland waters monitoring	22
Ionospheric TEC disturbances over China during the strong geomagnetic storm in September 2017	22
Corsica: A 20-Yr multi-mission absolute altimeter calibration site	22
Geologic context and potential EVA targets at the lunar south pole	22
Twenty-five years of Mercator ocean reanalysis GLORYS12 at Drake Passage: Velocity assessment and total volume transport	22
Accuracy analysis of GNSS-IR snow depth inversion algorithms	22
Improved robust Kalman filter for state model errors in GNSS-PPP/MEMS-IMU double state integrated navigation	22
On the ability of sliding mode and LQR controllers optimized with PSO in attitude control of a flexible 4-DOF satellite with time-varying payload	21
Deep learning model for predicting daily IGS zenith tropospheric delays in West Africa using TensorFlow and Keras	21
Comparison of lunar and Martian regolith simulant-based geopolymer cements formed by alkali-activation for in-situ resource utilization	21
Synergistic evaluation of Sentinel 1 and 2 for biomass estimation in a tropical forest of India	21
A machine learning approach for accurate crop type mapping using combined SAR and optical time series data	21
Detection and tracking of mesoscale eddies in the Mediterranean Sea: A comparison between the Sea Level Anomaly and the Absolute Dynamic Topography fields	21
Adopting the empirical CODE orbit model to Galileo satellites	21
Wrinkling analysis of solar-photon sails	21
A machine learning-based framework for high resolution mapping of PM2.5 in Tehran, Iran, using MAIAC AOD data	21
System for space materials evaluation in LEO environment	20
Towards a deeper understanding of historic cosmic ray modulation during solar cycle 20	20
Water level status of Indian reservoirs: A synoptic view from altimeter observations	20
GPS III Vespucci: Results of half a year in orbit	20
The SARAL/AltiKa mission: A step forward to the future of altimetry	20
Composite analysis of North Atlantic extra-tropical cyclone waves from satellite altimetry observations	20
Hayabusa2 extended mission: New voyage to rendezvous with a small asteroid rotating with a short period	20
Sentinel-1 InSAR observations of co- and post-seismic deformation mechanisms of the 2016 Mw 5.9 Menyuan Earthquake, Northwestern China	20
Trajectory-battery integrated design and its application to orbital maneuvers with electric pump-fed engines	20
Initial assessment of BDS-3 precise point positioning service on GEO B2b signal	19
Quantifying errors in 3D CME parameters derived from synthetic data using white-light reconstruction techniques	19
Neural-aided GNC reconfiguration algorithm for distributed space system: development and PIL test	19
Validation of International Reference Ionosphere model (IRI-2016) for F-region peak electron density height (hmF2): Comparison with Incoherent Scatter Radar (ISR) and ionosonde measurements at Millsto	19
Prediction of solar cycle 25 using deep learning based long short-term memory forecasting technique	19
Hydro-climatology study of the Ogooué River basin using hydrological modeling and satellite altimetry	19
Semi-automated impervious feature extraction using built-up indices developed from space-borne optical and SAR remotely sensed sensors	19
GNSS-grade space atomic frequency standards: Current status and ongoing developments	19
Characterizing interseismic deformation of the Xianshuihe fault, eastern Tibetan Plateau, using Sentinel-1 SAR images	19
Impacts of climate change and meteo-solar parameters on photosynthetically active radiation prediction using hybrid machine learning with Physics-based models	19
A guidance approach to satellite formation reconfiguration based on convex optimization and genetic algorithms	19
A multi-criteria landslide susceptibility mapping using deep multi-layer perceptron network: A case study of Srinagar-Rudraprayag region (India)	19
Review of recent GNSS modelling improvements based on CODEs Repro3 contribution	19
LISA: Heliocentric formation design for the laser interferometer space antenna mission	19
Accuracy analysis of ground-based GNSS-R sea level monitoring based on multi GNSS and multi SNR	18
Ionospheric disturbances detected during a typhoon based on GNSS phase observations: A case study for typhoon Mangkhut over Hong Kong	18
Ultralow-binder-content thermoplastic composites based on lunar soil simulant	18
Temperature-Vegetation-soil Moisture-Precipitation Drought Index (TVMPDI); 21-year drought monitoring in Iran using satellite imagery within Google Earth Engine	18
Optimal solar sail trajectory approximation with finite Fourier series	18
Statistical analysis of long-lived mesoscale eddies in the Lofoten basin from satellite altimetry	18
The impact of remote sensing observations on cross-shelf transport estimates from 4D-Var analyses of the Mid-Atlantic Bight	18
A new neural network-based optimal mixed H2/H∞ control for a modified unmanned aerial vehicle subject to control input constraints	18
Study on geomechanical properties of lunar soil simulant (LSS-ISAC-1) for chandrayaan mission	18
Exploiting the Sentinel-3 tandem phase dataset and azimuth oversampling to better characterize the sensitivity of SAR altimeter sea surface height to long ocean waves	18
Modeling of nonlinear ion-acoustic solitary, snoidal and superperiodic wave phenomena due to ionospheric escape of Venus	18
Cataclysmic variable evolution and the white dwarf mass problem: A Review	17
A new ocean mean dynamic topography model, derived from a combination of gravity, altimetry and drifter velocity data	17
Multi-frequency multi-GNSS receiver antenna calibration at IfE: Concept - calibration results - validation	17
Probing vertical coupling effects of thunderstorms on lower ionosphere using GNSS data	17
A solar activity correction term for the IRI topside electron density model	17
World grid of cosmic ray vertical cut-off rigidity for the last decade	17
Possible seismo-ionospheric anomalies associated with M  > 5.0 earthquakes during 2000–2020 from GNSS TEC	17
Assessing the effects of sea-state related errors on the precision of high-rate Jason-3 altimeter sea level data	17
Spatiotemporal assessment of landslide susceptibility in Southern Sichuan, China using SA-DBN, PSO-DBN and SSA-DBN models compared with DBN model	17
Prospects of de-tumbling large space debris using a two-satellite electromagnetic formation	17
Accretion flows in nonmagnetic white dwarf binaries as observed in X-rays	17
Hypersonic reentry trajectory optimization by using improved sparrow search algorithm and control parametrization method	17
DEM-FEM-MBD coupling analysis of landing process of lunar lander considering landing mode and buffering mechanism	17
Neil Gehrels Swift Observatory studies of supersoft novae	17
Deformation monitoring and analysis of Kunyang phosphate mine fusion with InSAR and GPS measurements	16
A RIP-based SAR retracker and its application in North East Atlantic with Sentinel-3	16
Satellite availability and positioning performance of uncombined precise point positioning using BeiDou-2 and BeiDou-3 multi-frequency signals	16
Characterizing the radio quiet region behind the lunar farside for low radio frequency experiments	16

Structural and lithological interpretation of aero-geophysical data in parts of the Lower Benue Trough and Obudu Plateau, southeast Nigeria	16
Comparison and evaluation of different dryness indices based on vegetation indices-land surface temperature/albedo feature space	16
Marine gravity anomaly mapping for the Gulf of Tonkin area (Vietnam) using Cryosat-2 and Saral/AltiKa satellite altimetry data	16
A novel strategy for space manipulator detumbling a non-cooperative target with collision avoidance	16
What is the optimum solar proxy for long-term ionospheric investigations?	16
Comparative studies of ionospheric models with GNSS and NavIC over the Indian longitudinal sector during geomagnetic activities	16
Evaluation of CryoSat-2 water level derived from different retracking scenarios over selected inland water bodies	16
Ionospheric total electron content response to annular solar eclipse on June 21, 2020	16
On denoising satellite altimeter measurements for high-resolution geophysical signal analysis	16
Prediction of Total Electron Content (TEC) using Neural Network over Anomaly Crest Region Bhopal	16
The best solar activity proxy for long-term ionospheric investigations	16
Solar sail optimal control with solar irradiance fluctuations	16
Lunar soils, simulants and lunar construction materials: An overview	16
Longitudinal variations of geomagnetic and ionospheric parameters in the Northern Hemisphere during magnetic storms according to multi-instrument observations	16
SAR based flood risk analysis: A case study Kerala flood 2018	16
A scheduling strategy to inter-satellite links assignment in GNSS	16
Examining the expansion of Urban Heat Island effect in the Kolkata Metropolitan Area and its vicinity using multi-temporal MODIS satellite data	16
Implementation and validation of the FRi3D flux rope model in EUHFORIA	16
Folding pattern design and deformation behavior of origami based conical structures	16
Equatorial and low-latitude ionospheric TEC response to CIR-driven geomagnetic storms at different longitude sectors	15
Geomechanical properties of lunar regolith simulants LHS-1 and LMS-1	15
Optimization of One versus All-SVM using AdaBoost algorithm for rainfall classification and estimation from multispectral MSG data	15
Packaging of thick membranes using a multi-spiral folding approach: Flat and curved surfaces	15
Extending the Arctic sea ice freeboard and sea level record with the Sentinel-3 radar altimeters	15
Radiation monitor RADMON aboard Aalto-1 CubeSat: First results	15
On adaptive attitude tracking control of spacecraft: A reinforcement learning based gain tuning way with guaranteed performance	15
Polarimetric calibration of spaceborne and airborne multifrequency SAR data for scattering-based characterization of manmade and natural features	15
Local and conjugate ionospheric total electron content variation during the 21 June 2020 solar eclipse	15
Assessment of the capabilities and applicability of ionospheric perturbation indices provided in Europe	15
Satellite-observed lightning hotspots in India and lightning variability over tropical South India	15
Compatibility of Terrestrial Reference Frames used in GNSS broadcast messages during an 8 week period of 2019	15
Crustal movement derived by GNSS technique considering common mode error with MSSA	15
Event-triggered adaptive fuzzy attitude takeover control of spacecraft	15
Does Machine Learning reconstruct missing sunspots and forecast a new solar minimum?	15
Machine learning and multi-sensor data fusion for mapping lithology: A case study of Kowli-kosh area, SW Iran	15
A new IHS and wavelet based pansharpening algorithm for high spatial resolution satellite imagery	15
Design and analysis of a direct transfer trajectory from a near rectilinear halo orbit to a low lunar orbit	15
Supertyphoon Hagibis action in the ionosphere on 6–13 October 2019: Results from multi-frequency multiple path sounding at oblique incidence	15
On a century of extragalactic novae and the rise of the rapid recurrent novae	15
Performance analysis and mission applications of a new solar sail concept based on crossed booms with tip-deployed membranes	15
Evaluating the VNIR-SWIR datasets of WorldView-3 for lithological mapping of a metamorphic-igneous terrain using support vector machine algorithm; a case study of Central Iran	15
Dynamic modeling and fuzzy adaptive control strategy for space flexible robotic arm considering joint flexibility based on improved sliding mode controller	15
Sea state bias in altimetry measurements within the theory of similarity for wind-driven seas	15
Assessing and minimizing collisions in satellite mega-constellations	15
Backscattering signatures at Ka, Ku, C and S bands from low resolution radar altimetry over land	15
Radio observations of magnetic cataclysmic variables	15
BeiDou-3 orbit and clock quality of the IGS Multi-GNSS Pilot Project	14
Online scheduling of distributed Earth observation satellite system under rigid communication constraints	14
Marine oil slicks detection using spaceborne and airborne SAR data	14
Assimilation of GPS Zenith Total Delay estimates in RAMS NWP model: Impact studies over central Italy	14
Thermal control of a spacecraft: Backward-implicit scheme programming and coating materials analysis	14
Analysis of air pollution in the atmosphere due to firecrackers in the Diwali period over an urban Indian region	14
Fractal MHD wind in the solar atmosphere	14
A multi-objective optimization framework of constellation design for emergency observation	14
Design of an end-to-end demonstration mission of a Formation-Flying Synthetic Aperture Radar (FF-SAR) based on microsatellites	14
Extending the record of Antarctic ice shelf thickness change, from 1992 to 2017	14
Sentinel 1 and Sentinel 2 for cropland mapping with special emphasis on the usability of textural and vegetation indices	14
Landslide susceptibility zonation using the analytical hierarchy process (AHP) in the Bafoussam-Dschang region (West Cameroon)	14
Utilisation of spaceborne C-band dual pol Sentinel-1 SAR data for simplified regression-based soil organic carbon estimation in Rupnagar, Punjab, India	14
Validation of non-linear split window algorithm for land surface temperature estimation using Sentinel-3 satellite imagery: Case study; Tehran Province, Iran	14
Machine learning regression models for prediction of multiple ionospheric parameters	14
Indirect neural-based finite-time integral sliding mode control for trajectory tracking guidance of Mars entry vehicle	14
Optimal contact control for space debris detumbling and nutation damping	14
Space debris observations with the Slovak AGO70 telescope: Astrometry and light curves	14
A comparative study of different neural network models for landslide susceptibility mapping	14
Detumbling of axisymmetric space debris during transportation by ion beam shepherd in 3D case	14
Nonlinear ion-acoustic waves at Venus ionosphere	14
Inclusion of data uncertainty in machine learning and its application in geodetic data science, with case studies for the prediction of Earth orientation parameters and GNSS station coordinate time se	14
On the Evolution of the Gulf of Mexico Loop Current Through Its Penetrative, Ring Shedding and Retracted States	14
Models for estimating daily photosynthetically active radiation in oceanic and mediterranean climates and their improvement by site adaptation techniques	14
Nonlinear analysis of open-chain flexible manipulator with time-dependent structure	14
Contribution analysis of QZSS to single-frequency PPP of GPS/BDS/GLONASS/Galileo	14
The determination for ideal release point of test masses in drag-free satellites for the detection of gravitational waves	14
An improved land cover classification using polarization signatures for PALSAR 2 data	13
Satellite attitude estimation using SVD-Aided EKF with simultaneous process and measurement covariance adaptation	13
On the dependence of maximum GCR intensity on heliospheric factors for the last five sunspot minima	13
New formulation for evaluating status of space debris capture using tether-net	13
Deep-learning for ionogram automatic scaling	13
Observation of aphelion cloud belt over Martian tropics, its evolution, and associated dust distribution from MCS data	13
Magnetorquers-based satellite attitude control using interval type-II fuzzy terminal sliding mode control with time delay estimation	13
Mapping mean lake surface from satellite altimetry and GPS kinematic surveys	13
A brief history of the Harvest experiment: 1989–2019	13
Viscoelastic characterization of polymers for deployable composite booms	13
Orbit determination of China’s first mars probe Tianwen-1 during interplanetary cruise	13
A multiple-CubeSat constellation for integrated earth observation and marine/air traffic monitoring	13
Modelling human health vulnerability using different machine learning algorithms in stone quarrying and crushing areas of Dwarka river Basin, Eastern India	13
Advances in NE-Atlantic coastal sea level change monitoring by Delay Doppler altimetry	13
Exchanging satellite attitude quaternions for improved GNSS data processing consistency	13
The AEPEX mission: Imaging energetic particle precipitation in the atmosphere through its bremsstrahlung X-ray signatures	13
Analysis on the ionospheric scintillation monitoring performance of ROTI extracted from GNSS observations in high-latitude regions	13
Mathematical analysis of the 09 March 2012 intense storm	13
Field-scale soil moisture estimation using sentinel-1 GRD SAR data	13
Current performance of open position service with almost fully deployed multi-GNSS constellations: GPS, GLONASS, Galileo, BDS-2, and BDS-3	13
Generate optimal grasping trajectories to the end-effector using an improved genetic algorithm	13
Assessment of IRI-2016 hmF2 model predictions with COSMIC observations over the African region	13