Results 91 to 100 of about 4,346 (251)

Experiments with Julia for Astrodynamics Applications

, 2015
Julia's potential for solving complex astrodynamics problems is studied. Julia is a high-level, new, dynamic programming language with performance approaching C/Fortran and has features like inbuilt parallelism, variable accuracy, integrated numerical ...
Arora, Nitin, Petropoulos, Anastassios
core  

Optimal Gliding Trajectories for Descent on Mars

Applied Sciences
In this paper, optimal gliding trajectories are analyzed, formulating an optimal control problem to be solved computationally via nonlinear programming.
Jhonathan Murcia-Piñeros, Antônio F. B. A. Prado, Ignazio Dimino, Rodolpho V. de Moraes   +3 more
doaj   +1 more source

Orbital Transfers in a Binary Asteroid System Considering Flattening of the Bodies and Solar Radiation Pressure

Aerospace
This paper aims to investigate the effects of asteroid size and shape and solar radiation pressure in the trajectories of a spacecraft in transfers between the collinear equilibrium points of a binary non-spherical asteroid system.
L. B. T. Santos, V. Y. Razoumny, V. M. Gomes, A. F. B. A. Prado   +3 more
doaj   +1 more source

Swarm of lightsail nanosatellites for Solar System exploration. [PDF]

Sci Rep, 2023
Santi G, Corso AJ, Garoli D, Lio GE, Manente M, Favaro G, Bazzan M, Piotto G, Andriolli N, Strambini L, Pavarin D, Badia L, Proietti Zaccaria R, Lubin P, Ragazzoni R, Pelizzo MG.   +15 more
europepmc   +1 more source

GENERAL CONCEPTS ABOUT SOLID BODY ASTRODYNAMICS

Nonconventional Technologies Review, 2020
The paper presents the theoretical foundation of the dynamics of the solid body in gravitational movement in the outer space. It is known that the movement of solid bodies in space is subjects both the laws of Newton's classical mechanics and those of ...
Viorel Mihai Nani, Alin Nani
doaj  

Motion Primitive Approach to Spacecraft Trajectory Design in a Multi-body System. [PDF]

J Astronaut Sci, 2023
Smith TR, Bosanac N.
europepmc   +1 more source

TRACER: A Robust and Autonomous Framework for Angles-Only Orbit Determination

Aerospace
Orbit determination from optical observations remains a challenging problem due to the absence of direct range measurements and the presence of sparse, noisy, and irregularly sampled data.
Boris Benedikter, Roberto Furfaro, Vishnu Reddy, Tanner Campbell, Bill Gray   +4 more
doaj   +1 more source

Dynamics in the Vicinity of the Stable Halo Orbits. [PDF]

J Astronaut Sci, 2023
Lujan D, Scheeres DJ.
europepmc   +1 more source

Arctic Climate Variability and Trends from Satellite Observations

Advances in Meteorology, 2012
Arctic climate has been changing rapidly since the 1980s. This work shows distinctly different patterns of change in winter, spring, and summer for cloud fraction and surface temperature.
Xuanji Wang, Jeffrey Key, Yinghui Liu, Charles Fowler, James Maslanik, Mark Tschudi   +5 more
doaj   +1 more source

Approximate Solutions to Nonlinear Optimal Control Problems in Astrodynamics

, 2013
A method to solve nonlinear optimal control problems is proposed in this work. The method implements an approximating sequence of time-varying linear quadratic regulators that converge to the solution of the original, nonlinear problem.
TOPPUTO, FRANCESCO, BERNELLI ZAZZERA, FRANCO   +1 more
core   +1 more source