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Positions and Motions of Minor Planets, Comets and Satellites (Positions et Mouvements des Petites Planetes, des Cometes et des Satellites)

  • E. Roemer
Chapter
Part of the Transactions of the International Astronomical Union book series (IAUT)

Abstract

An avalanche of discoveries pertaining to the satellite and ring systems of Jupiter and Saturn followed from the encounters of Pioneer 11 with Saturn, of Voyagers 1 and 2 with both Jupiter and Saturn, and from the passage of the Earth through the Saturn ring plane, all of which occurred during the triennium. The first comet discovery from a spacecraft also occurred during the same interval, a coronagraph experiment on the satellite P78-1 apparently catching a Kreutz sun-grazer in the last hours before it impacted the Sun on 1979 August 30. Several successfully observed occultations of stars by the Uranian ring system, by minor planets, and possibly by satellites of Neptune and Pluto testify to efforts inspired by the Commission’s Working Group on Prediction of Occultations.

Positions et Mouvements des Petites Planetes, des Cometes et des Satellites

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Copyright information

© International Astronomical Union 1982

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  • E. Roemer

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