Instrument

Cassini Radio Science Subsystem (RSS)

Cassini's radio-science experiment, which used the spacecraft's radio link — tracking tiny frequency shifts and radio occultations — to weigh Saturn, map its gravity field, and probe the structure of its rings and atmosphere.

Radio Science

Highlights

›Weighed Saturn's rings via radio occultation

Flown on

Cassini–Huygens

Knowledge connections

Member of groupRadio Science
Instrument onCassini–Huygens

Sources

The primary and reference sources this topic draws on.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
NASA JPLJet Propulsion Laboratory / Solar System Dynamics
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.