Rodney S. Gomes, John J. Matese, and Jack J. Lissauer Some exceptional orbits are plotted in yellow As near-circular orbits occupy the first column (e<0.05) and the orbits with the lowest inclination (i<5 degrees) occupy the lowest row, the square in the bottom left corner represents the number of near circular, very lowly inclined orbits.A grey square represents a single object (an outlier) in this range.For roughly a half of known TNO the orbits are not yet known with the precision sufficient for the classification (a particularly delicate task for resonant objects).The precise value is not too important; the value of 35 AU is quoted for coherence with Jewitt 2006. As with the regular scattered disc objects, they were likely formed as result of "gravitational scattering" by Neptune and still interact with the giant planets. Quoting one of the researchers:The inserts in the diagram on the right compare the eccentricity and inclination of the scattered disk population to the cubewanos. The scattered disc (or scattered disk) is a distant region of the Solar System that is sparsely populated by icy minor planets known as scattered disc objects (SDOs), a subset of the broader family of trans-Neptunian objects (TNOs). A. S. Gulbis, R. L. Millis, M. W. Buie, L. H. Wasserman, E. I. Chiang, A. The first SDO was found in 1995 by Spacewatch.. This makes scattered objects "among the most distant and cold objects in the Solar System".Due to its unstable nature, astronomers now consider the scattered disc to be the place of origin for most The first scattered disc object to be recognised as such was As of 2008, over 100 scattered disc objects have been identified,The eccentricity and inclination of the scattered disc population compared to the classical and Known trans-Neptunian objects are often divided into two subpopulations: the Kuiper belt and the scattered disc.In contrast to the Kuiper belt, the scattered disc population can be disturbed by Neptune.The MPC also makes a clear distinction between the Kuiper belt and the scattered disc; separating those objects in stable orbits (the Kuiper belt) from those in scattered orbits (the scattered disc and the centaurs).Morbidelli and Brown propose that the difference between objects in the Kuiper belt and scattered objects is that the latter bodies "are transported in semi-major axis by close and distant encounters with Neptune",There are no clear boundaries between the scattered and detached regions.The scattered disc objects are typically characterized by orbits with medium and high eccentricities with a Although motions in the scattered disc are random, they do tend to follow similar directions, which means that SDOs can become trapped in temporary resonances with Neptune.
"Remo notes that Cis-Neptunian bodies "include terrestrial and large gaseous planets, planetary moons, asteroids, and main-belt comets within Neptune's orbit. The Oort cloud lies beyond the scattered disc. While the nearest distance to the Sun approached by scattered objects is about 30–35 AU, their orbits can extend well beyond 100 AU. Other authors prefer to use 30AU instead while the data used here appear to fit 34AU. The scattered disk is still not understood well. B. Jordan, D. E. Trilling, and K. J. Meech Information and translations of scattered disc in the most comprehensive dictionary definitions resource on the web. KBOs can also be shifted into unstable orbits by close passage of massive objects, or through collisions.
Minor resonances are also populated and some computer simulations show that many objects could be actually on weak, higher order resonances (6:11,4:9,3:7,5:12,3:8,2:7,1:4). The very large eccentricities of The scattered disk is still not understood well. Meaning of scattered disc.
The scattered disc (or scattered disk) is a distant part of the solar system.The area has small icy minor planets known as scattered disc objects (SDOs). Over time, the scattered disc would gradually form from these isolated events.Computer simulations have also suggested a more rapid and earlier formation for the scattered disc. The scattered disk is still poorly understood, although prevailing astronomical opinion suggests it was formed when The diagram on the right illustrates the orbits of all known scattered disk objects up to 100AU together with Kuiper belt objects (in grey) and resonant objects (in green). Modern theories indicate that neither Scattered objects, like other trans-Neptunian objects, have low densities and are composed largely of frozen Astronomers originally supposed that the trans-Neptunian population would show a similar red surface colour, as they were believed to have originated in the same region and subjected to the same physical processes.One explanation is the exposure of whiter subsurface layers by impacts; another is that the scattered objects' greater distance from the Sun creates a composition gradient, analogous to the composition gradient of the terrestrial and gas giant planets.The Kuiper belt was initially believed to be the source of the Solar System's ecliptic comets.
The part of the scattered disc closest to the sun is in an area of space called the Kuiper belt.The Oort cloud lies beyond the scattered disc.
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