The nitrogen tori of Titan and Triton

Details The nitrogen tori of Titan and Triton The nitrogen tori of Titan and Triton

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992adspr..12...73i&link_type=abstract

(Planetary magnetospheric physics II; Proceedings of Symposium 5 and the Topical Meetings of the Interdisciplinary Scientific Co

Physics

11

Atom Concentration, Density (Number/Volume), Nitrogen Atoms, Planetary Magnetospheres, Satellite Atmospheres, Titan, Triton, Energy Spectra, Nitrogen Ions, Toruses

Scientific paper

A model is employed to simulate the processes involved in the structuring of the nitrogen gas torus of two planetary satellites. The model analytically describes: (1) the vertical profile of the production rate of the atomic nitrogen fragments; (2) the exothermic energy spectra; and (3) the collisional thermalization effect. The density of N atoms in the gas ring near Titan's orbit is estimated to be 3-20 atoms/cu cm with smaller densities at other parts of the magnetosphere. The peak density near Triton's orbit is shown to be about 10-20 atoms/cu cm. The simplified model shows that electron impact and the atmospheric depth of energy deposition by the magnetospheric electronslimit the launch of suprathermal N atoms into circumplanetary orbits.

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