Development of methods for navigational referencing of circumlunar spacecrafts to the selenocentric dynamic coordinate system

AO Andreev, YA Nefedyev, NY Demina, LA Nefediev… - Astronomy Reports, 2020 - Springer
The initial form of present-day space optical observations contain considerable geometrical
and brightness distortions. This problem can be solved based on geometrical correction and …

Exploring super-Earth surfaces: Albedo of near-airless magma ocean planets and topography

D Modirrousta-Galian, Y Ito, G Micela - Icarus, 2021 - Elsevier
In this paper we propose an analytic function for the spherical albedo values of airless and
near-airless magma ocean planets (AMOPs). We generated 2-D fractal surfaces with varying …

[PDF][PDF] Fractal analysis of the lunar free-air gravity field

B Ranguelov, R Iliev, T Tzankov, E Spassov - Physics Journal, 2019 - core.ac.uk
Recent dedicated lunar gravity mission-Gravity Recovery and Interior Laboratory (GRAIL)
provided highresolution gravity field data for the Moon. The collected data are the starting …

The study of models of space selenophysics using multi-parameter analysis and fractal geometry

KO Churkin, AO Andreev, YA Nefedyev… - Journal of Physics …, 2020 - iopscience.iop.org
In this work, using multi-parameter harmonic analysis and expansion of altimetry into
spherical functions, models of the Moon's physical surface (digital lunar selenocentric map …

[PDF][PDF] Fractal properties of the Gas giants and their satellites within the Solar system

R Iliev, B Ranguelov - To Physics Journal, 2019 - core.ac.uk
This study reveals the fractal structure of gas giants and their moons. For this purpose, fractal
analysis of Jupiter, Saturn, Uranus, Neptune and 182 moons was performed based on their …

The fractal behaviour of gravity field elements: case study in Egypt

RMK Hassouna - Journal of Spatial Science, 2023 - Taylor & Francis
The fractal behaviour of gravity field elements was investigated. Particularly, the geoidal
heights, gravity anomalies and vertical deflection components were considered. Such data …

Mercury's DEM and FAG fractal structure–indicator for meteorite bombardment by different density space bodies

B Ranguelov, R Iliev - Russian Journal of Earth Sciences, 2019 - cyberleninka.ru
Over the past few decades Messenger spacecraft missions have provided to the scientific
community a huge amount of new data on the geology and physics of the planet closest to …

Studying the fractal properties of Ceres

RR Mubarakshina, AO Andreev… - Journal of Physics …, 2021 - iopscience.iop.org
Currently, the asteroid Ceres belongs to small celestial bodies with the most well-known
physical parameters. The study of the structural and real properties of Ceres is an urgent …

The analysis of Titan's physical surface using multifractal geometry methods

C De La Morena, YA Nefedyev… - Journal of Physics …, 2021 - iopscience.iop.org
Titan makes up 95% of the mass of all 82 satellites of Saturn. Titan's diameter is 5152 km,
which means that it is larger than the Moon by 50%, and it is also significantly larger than …

Stochastic analysis of dynamic processes in the solar activity

EY Kostina, EV Khusaenova, AO Andreev… - Journal of Physics …, 2021 - iopscience.iop.org
Natural processes existing in complex objects of inanimate and living matter are of a
stochastic and non-equilibrium nature. The main problem in the study of such systems is to …