Encyclopedia of the Solar System 2nd ed

580 Encyclopedia of the Solar System to develop evolutionary models. In this way, classification schemes have played a crucial r ...

Comet Populations and Cometary Dynamics 581 comets to reflect their broad inclination distribution. We now discuss each of these ...

582 Encyclopedia of the Solar System T>3 cannot cross the orbit of Jupiter and thus should not be considered members of the J ...

Comet Populations and Cometary Dynamics 583 its outer edge is defined by the Solar System’s tidal trunca- tion radius at about 1 ...

584 Encyclopedia of the Solar System 10 10 10 10 10 4 3 2 5 New Comets Sun Inner Cloud JS UN returning comets Outer cloud Oort c ...

Comet Populations and Cometary Dynamics 585 them around as they go through perihelion. Because of this characteristic, we call t ...

586 Encyclopedia of the Solar System the Centaurs. Inside ofQ≈7 AU, the character of the distribution is quite different. Here t ...

Comet Populations and Cometary Dynamics 587 FIGURE 13 The dynamical evolution of an object as it evolves into the Oort cloud. Th ...

588 Encyclopedia of the Solar System Perihelion distance (AU) 110100 1 10 100 Semi-major axis (AU) FIGURE 15 The final distribut ...

100-C 25-C 50-C 75-C C+M 50-C+M C+Y 50-C+Y M+Y 50-M+Y 100-M 25-M 50-M 75-M 100-Y 25-Y 50-Y 75-Y 100-K 25-K 25-19-19 50-K50-40-40 ...

590 Encyclopedia of the Solar System main groups. The first group, the terrestrial planets, formed in the inner regions of the s ...

Kuiper Belt: Dynamics 591 2. Basic Orbital Dynamics Much of the story of the Kuiper Belt to date involves the distribution of th ...

592 Encyclopedia of the Solar System than Neptune. Normally, this configuration would, sooner or later, lead to close encounters ...

Kuiper Belt: Dynamics 593 of the discovered objects are clustered in the 36–48 AU range, but several others form a “tail” struct ...

594 Encyclopedia of the Solar System must have excited the eccentricities, making them grow from almost zero to the current valu ...

Kuiper Belt: Dynamics 595 FIGURE 4 The dynamical lifetime for small particles in the Kuiper Belt derived from 4 billion year int ...

596 Encyclopedia of the Solar System FIGURE 5 The dynamical lifetime for test particles with initial eccentricity of 0.01 derive ...

Kuiper Belt: Dynamics 597 FIGURE 6 The inclination of the classical Kuiper Belt objects as a function of their absolute magnitud ...

598 Encyclopedia of the Solar System FIGURE 7 The cumulative magnitude distribution of the cold population (red) and of the hot ...

Kuiper Belt: Dynamics 599 greater than about 30 km to form in the current Kuiper Belt, at least by pairwise accretion, over the ...