Search Results - "Winter, Othon"

Terrestrial Planet Formation Constrained By Mars and the Structure of the Asteroid Belt by Izidoro, Andre, Raymond, Sean N, Morbidelli, Alessandro, Winter, Othon C

“…Reproducing the large Earth/Mars mass ratio requires a strong mass depletion in solids within the protoplanetary disc between 1 and 3 au. The Grand Tack model…”
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Assessing the spin–orbit obliquity of low-mass planets in the breaking the chain formation model: a story of misalignment by Esteves, Leandro, Izidoro, André, Winter, Othon C, Bitsch, Bertram, Isella, Andrea

“…ABSTRACT The spin–orbit obliquity of a planetary system constraints its formation history. A large obliquity may either indicate a primordial misalignment…”
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THE ASTEROID BELT AS A RELIC FROM A CHAOTIC EARLY SOLAR SYSTEM by Izidoro, André, Raymond, Sean N., Pierens, Arnaud, Morbidelli, Alessandro, Winter, Othon C., Nesvorny, David

“…ABSTRACT The orbital structure of the asteroid belt holds a record of the solar system's dynamical history. The current belt only contains ∼10−3 Earth masses…”
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The known large Near-Earth Objects’ highways: dynamical evolution, fates, and lifetimes by Liberato, Luana, Araújo, Rosana, Winter, Othon

“…It is well known that the Near-Earth Objects population is sustained by bodies that migrate inwards from the main asteroid belt and outer regions of the Solar…”
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The ‘breaking the chains’ migration model for super-Earth formation: the effect of collisional fragmentation by Esteves, Leandro, Izidoro, André, Bitsch, Bertram, Jacobson, Seth A, Raymond, Sean N, Deienno, Rogerio, Winter, Othon C

“…ABSTRACT Planets between 1 and 4 R⊕ (Earth radius) with orbital periods <100 d are strikingly common. The migration model proposes that super-Earths migrate…”
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Confined chaos and the chaotic angular motion of Atlas, a Saturn’s inner satellite by Pereira, Lucas S, Mourão, Daniela C, Winter, Othon C

“…ABSTRACT The dynamics of the Solar system exhibit inherent chaos and instability. Mathematical tools, such as the maximum Lyapunov characteristic exponent…”
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Formation of terrestrial planets in disks with different surface density profiles by Haghighipour, Nader, Winter, Othon C.

“…We present the results of an extensive study of the final stage of terrestrial planet formation in disks with different surface density profiles and for…”
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On the orbital inclination evolution of the current large NEOs by de Araujo, Rosana A. N., Liberato, Luana, Winter, Othon C.

“…This work aims to discuss the temporal evolution of the current large NEOs’ orbital inclination. We applied a numerical integration method to solve the N-body…”
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A numerical mapping of energy gains in a powered Swing-By maneuver by Ferreira, Alessandra F. S., Prado, Antônio F. B. A., Winter, Othon C.

“…The present paper studies the effects of a powered Swing-By maneuver, considering the particular and important situations where there are energy gains for the…”
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Analysis of symmetric periodic orbits in a tripolar system with a segment by Boaventura, Giulliano Assis Sodero, da Silva Ferreira, Alessandra Ferraz, Giuliatti Winter, Silvia Maria, Winter, Othon Cabo

“…We consider a simplified model to study some types of elongated asteroids with three protuberances, two at the ends and one in the middle. An example…”
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Low Thrust Propelled Close Approach Maneuvers by Ferreira, Alessandra, Elipe, Antonio, De Moraes, Rodolpho, Prado, Antônio, Winter, Othon, Gomes, Vivian

“…The study of orbital maneuvers in space missions is a very important problem in astrodynamics. One of the options is the use of a “gravity assisted” maneuver,…”
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An unaccounted component on the Prometheus and Pandora offset angular positions by Santana, Thamiris, Winter, Othon C., Mourão, Daniela C.

“…Near the turning of this millennium (1996–2004) it was detected that Prometheus and Pandora were not in their angular positions as predicted from their…”
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On the rotational motion of NEAs during close encounters with the Earth by Boldrin, Luiz A. G., Araujo, Rosana A. N., Winter, Othon C.

“…During their lifetime, the Near-Earth Asteroids (NEAs) suffer numerous close encounters (CE) with Earth, Mars and Venus. It has been demonstrated that…”
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A mathematical study of the tethered slingshot maneuver using the elliptic restricted problem by Ferreira, Alessandra F. S., Moraes, Rodolpho V., Prado, Antônio F. B. A., Winter, Othon C.

“…The main objective of the present paper is to find the modifications that a tethered slingshot maneuver (TSSM) can make in the orbit of a spacecraft, both in…”
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Particles Co-orbital to Janus and to Epimetheus: A Firefly Planetary Ring by Winter, Othon C., Souza, Alexandre P. S., Sfair, Rafael, Winter, Silvia M. Giuliatti, Mourão, Daniela C., Foryta, Dietmar W.

“…The Cassini spacecraft found a new and unique ring that shares the trajectory of Janus and Epimetheus, co-orbital satellites of Saturn. Performing image…”
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Analytical study of the swing-by maneuver in an elliptical system by Ferreira, Alessandra F. S., Prado, Antônio F. B. A., Winter, Othon C., Santos, Denilson P. S.

“…The objective of the present paper is to derive a set of analytical equations that describe a swing-by maneuver realized in a system of primaries that are in…”
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The sailboat island and the New Horizons trajectory by Giuliatti Winter, Silvia M., Winter, Othon C., Vieira Neto, Ernesto, Sfair, Rafael

“…•New Horizons mission.•Stable regions about Pluto.•Hazards on New Horizons Pluto close approach.•Density probability of stable regions around…”
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Celestial Mechanics in the XXIst century – challenges by Gomes, Vivian M., Prado, Antônio F. B. A., de Melo, Cristiano F., Macau, Elbert E. N., Winter, Othon C.

“…This special issue of the European Journal of Physics: Special Topics entitled Celestial Mechanics in the XXIst Century published a set of 15 papers aiming to…”
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Analytical study of the powered Swing-By maneuver for elliptical systems and analysis of its efficiency by Ferreira, Alessandra F. S., Prado, Antônio F. B. A., Winter, Othon C., Santos, Denilson P. S.

“…Analytical equations describing the velocity and energy variation of a spacecraft in a Powered Swing-By maneuver in an elliptic system are presented. The…”
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Comparison between Laplace-Lagrange secular theory and numerical simulation: the case of υ Andromedae planetary system by Camargo, Barbara C. B., Winter, Othon C., Foryta, Dietmar W.

“…The large increase in exoplanet discoveries in the last two decades showed a variety of systems whose stability is not clear. In this work, we chose the υ…”
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