Improved determination of the gravitational constant of PHOBOS on the basis of Phobos-2 trajectory tracking

Details Improved determination of the gravitational constant of PHOBOS on the basis of Phobos-2 trajectory tracking Improved determination of the gravitational constant of PHOBOS on the basis of Phobos-2 trajectory tracking

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..396k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, April 1990, p. 396-400. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Gravitational Constant, Phobos, Spacecraft Trajectories, Accuracy, Orbit Perturbation

Scientific paper

Using Phobos-2 trajectory tracking data for the prolonged period when
the spacecraft was in near-Phobos orbit, a new value of the Phobos
gravitational constant of (7.22 + or - 0.05) x 10 to the -4th cu km/s sq
was obtained. This corresponds to a Phobos mass of (1.08 + or - 0.01) x
10 to the 13th g.

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