parabolic orbit

parabolic orbit

[¦par·ə¦bäl·ik ′ȯr·bət]
(astronomy)
An orbit whose overall shape is like a parabola; the orbit represents the least eccentricity for escape from an attracting body.
References in periodicals archive ?
4 km/s made on a parabolic orbit near Jupiter gives a heliocentric [DELTA]v of 7 km/s.
A parabolic orbit suggests that the comet is coming in from the Oort Cloud for a first-time swing by the Sun.
The comet is in a distant parabolic orbit and was just past perihelion.
Noble and Bird immediately revelled in the 20/20 nature of this cricket, and raced to 56 in six overs before the latter saw his timbers shivered by Burkinshaw, but the likeable Luke had already smashed 25 in only 11 balls with another three trademark huge sixes launched into parabolic orbit.
Its parabolic orbit will take it far out into the Solar System only to return to the Earth's vicinity in more than a thousand years.
The projected object will leave Mars on a parabolic orbit or probably a hyperbolic orbit and probably assume an elliptical orbit about the Sun.
Stout in defence and possessing a quick eye, Luke waits for one in his slot and then launches it into parabolic orbit.
For now, an alternative possibility remains: Rather than circling the solar system at a fixed distance of about 42 AU, the body may have a parabolic orbit that will send it into the inner solar system sometime in the middle of the next century.
But researchers continue to debate whether smaller NGC 5195 is on a parabolic orbit around its pinwheel partner, with a single past encounter, or an elliptical orbit that has brought two or more close passages.
Despite some early suspicion that the newfound object was a giant comet with a parabolic orbit or an asteroid associated with Neptune, the fact that Pluto had been tracked down during Lowell Observatory's dedicated search for a trans-Neptunian planet held sway with astronomical opinion.
These comets, travelling in parabolic orbits, are known as long-period comets and by definition have orbital periods greater than 200 years, though the actual periods are generally a few thousand years or more.
Further analysis of those data now shows that the two galaxies are traveling along parabolic orbits, meaning that each is making its first pass by the Milky Way, the team reports in the Oct.