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Determination of a precise rotation period for the Deep Space 1 target, Comet 19P/Borrelly

Samarasinha, Nalin H.; Rauer, Heike; Helbert, Jörn +1 more

The rotation period derived by Mueller and Samarasinha (Mueller, B.E.A., Samarasinha, N.H. [2002]. Earth Moon Planets 90, 463-471) of the Deep Space 1 (DS1) mission target, Comet 19P/Borrelly, using ground-based data from July 28 to August 1, 2000, is improved by two orders of magnitude. This precision is reached in a multistep process. Combining …

Jupiter’s South South Temperate Zone vortices: Observations and simulations

Dowling, Timothy E.; Morales-Juberías, Raúl; Brindle, Emily S.

The region in Jupiter's atmosphere with the highest density of anticyclonic spot-like vortices is the region known as the South South Temperate Zone (SSTZ), which is located between the eastward jet at ≈-42.9° latitude and the westward jet at ≈-39.2° latitude. We present a characterization of the spots found in this region based on ground-based an…

Introduction to special section on Saturn’s rings and icy satellites from Cassini

Esposito, Larry W.; Hendrix, Amanda R.