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Science | 1968

Mass of Pluto

Raynor L. Duncombe; W. J. Klepczynski; Paul Kenneth Seidelmann

Analysis of the observations of Neptune indicates a reciprocal mass of Pluto of 1,812,000 (0.18 Earth masses). If the density is the same as that of Earth, the diameter would be 7200 kilometers. If 6400 kilometers is accepted (from other sources) as the upper limit of the diameter, then Pluto must be at least 1.4 times as dense as Earth.


Archive | 1973

The masses of the planets, satellites, and asteroids.

Raynor L. Duncombe; William John Klepczynski; Paul Kenneth Seidelmann


Archive | 1974

Fortran automatic typesetting system.

Paul Michael Janiczek; George H. Kaplan; Raynor L. Duncombe


Archive | 1982

Problems concerning the outer planets

Paul Kenneth Seidelmann; Raynor L. Duncombe


Archive | 1972

Accuracy of outer-planet ephemerides.

Raynor L. Duncombe; William John Klepczynski; Paul Kenneth Seidelmann


Space Science Reviews | 1987

Book Review: Fundamental astronomy and solar system dynamics. / Reidel, 1986.

Raynor L. Duncombe; Jay H. Lieske; Paul Kenneth Seidelmann


Archive | 1987

Book-Review - Fundamental Astronomy and Solar System Dynamics - Fricke - 70TH Birthday Festschrift

Raynor L. Duncombe; Jay Henry Lieske; Paul Kenneth Seidelmann


Science | 1986

Book-Review - Fundamental Astronomy and Solar System Dynamics

Raynor L. Duncombe; Jay Henry Lieske; Paul Kenneth Seidelmann


Archive | 1986

Fundamental astronomy and solar system dynamics : invited papers honoring Prof. Walter Fricke on the occasion of his 70th birthday

W. Fricke; Raynor L. Duncombe; Jay Henry Lieske; P. Kenneth Seidelmann


Celestial Mechanics and Dynamical Astronomy | 1985

Fundamental astronomy and solar system dynamics. Invited papers honoring Prof. Walter Fricke on the occasion of his 70th birthday. A meeting held at Austin, Texas, USA, 27 March 1985.

Raynor L. Duncombe; Jay H. Lieske; Paul Kenneth Seidelmann; J. P. Lamb

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Jay H. Lieske

Jet Propulsion Laboratory

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