unbound orbit
[/ʌnˈbaʊnd ˈɔːrbɪt/]
nounpl: unbound orbits
órbita aberta
1. A trajectory in space where an object has sufficient velocity to escape the gravitational pull of a celestial body and will never return, having total mechanical energy greater than or equal to zero
When a comet approaches the Sun with enough speed, it follows an unbound orbit and will eventually leave the solar system.
Quando um cometa se aproxima do Sol com velocidade suficiente, ele segue uma órbita aberta e eventualmente deixará o sistema solar.
2. In orbital mechanics, a trajectory that is either parabolic (eccentricity = 1) or hyperbolic (eccentricity > 1), as opposed to elliptical or circular bound orbits
The spacecraft entered an unbound orbit after the final thruster burn provided escape velocity.
A espaçonave entrou em uma órbita aberta após o último queimador de combustível fornecer velocidade de escape.
This is specialized scientific terminology used primarily in academic, aerospace, and astronomical contexts. It is equally understood across English-speaking regions and Portuguese-speaking regions where physics and astronomy are studied. The term reflects humanity's understanding of space exploration and is particularly relevant in discussions about space missions, comets, and interstellar travel.
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