Testing Newtonian gravity in space

Details Testing Newtonian gravity in space Testing Newtonian gravity in space

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phla..120..437n&link_type=abstract

Physics Letters A, Volume 120, Issue 9, p. 437-441.

Physics

7

Scientific paper

We propose to measure the universal constant of gravity G in space by means of a small scale planetary system in geosynchronous orbit; test particle satellites of different nuclear composition and with different distances from the central mass would allow one to check possible variations with material and distance. With current technology G can be measured with a relative accuracy of 10-5 or better depending on the capability of controlling some perturbations which act at the level of 10-6 (i.e. ~ 10-11 cm s-2 however, particular dynamical configurations mutuated from celestial mechanics should allow detection of differential effects with composition and distance (if any) to at least 10-6. Distance variations will be detected only if acting on a distance scale of ~ 10 m.

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