He became known in 1977 for his paper in Nature and later in the Journal of Atmospheric Physics (1978) delivering all the spectral components of the long term variations of eccentricity, obliquity (axial tilt) and climatic precession.
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In their respective pages, the Planets are listed along with their basic properties such as the year of planet’s discovery, mass, radius, orbital period, semi-major axis, eccentricity, inclination, longitude of periastron, time of periastron, maximum time variation, and time of transit, including all error range values.
A special case of the geosynchronous orbit, the geostationary orbit, has an eccentrity of zero (meaning the orbit is circular), and an inclination of zero in the Earth-Centered, Earth-Fixed coordinate system (meaning the orbital plane is not tilted relative to the Earth's equator).