Fig. 1.9 Enki Catena on the Galilean satellite, Ganymede (Credit: Galileo Project, Brown University, JPL, NASA)
Fig. 1.10 HTCs as classified in the Horizons database generated by JPL plotted as cosine of orbital
inclination vs. aphelion distance (diamonds). The orbital inclinations appear to be randomly
distributed. The squares show other comets with P > 200 years but e x < 1 (Data source: JPL
Horizons)
1.2 Orbits and Origins
13
Fig. 1.10 HTCs as classified in the Horizons database generated by JPL plotted as cosine of orbital
inclination vs. aphelion distance (diamonds). The orbital inclinations appear to be randomly
distributed. The squares show other comets with P > 200 years but e x < 1 (Data source: JPL
Horizons)
1.2 Orbits and Origins
13